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3814889472 = 211321391489
BaseRepresentation
bin1110001101100010…
…1001100000000000
3100211212101110112200
43203120221200000
530303102430342
61430314153200
7163352011512
oct34330514000
910755343480
103814889472
111688450a19
128a5722800
1348a47b664
14282929bb2
15174dac94c
hexe3629800

3814889472 has 144 divisors (see below), whose sum is σ = 11104821000. Its totient is φ = 1261633536.

The previous prime is 3814889453. The next prime is 3814889473. The reversal of 3814889472 is 2749884183.

It is a happy number.

3814889472 is a `hidden beast` number, since 3 + 8 + 1 + 488 + 94 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3814889473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561304 + ... + 2562792.

Almost surely, 23814889472 is an apocalyptic number.

3814889472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3814889472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5552410500).

3814889472 is an abundant number, since it is smaller than the sum of its proper divisors (7289931528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3814889472 is a wasteful number, since it uses less digits than its factorization.

3814889472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1633 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 3814889472 is about 61764.7915239742. The cubic root of 3814889472 is about 1562.5262421363.

The spelling of 3814889472 in words is "three billion, eight hundred fourteen million, eight hundred eighty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 139 144 192 256 278 288 384 417 512 556 576 768 834 1024 1112 1152 1251 1489 1536 1668 2048 2224 2304 2502 2978 3072 3336 4448 4467 4608 5004 5956 6144 6672 8896 8934 9216 10008 11912 13344 13401 17792 17868 18432 20016 23824 26688 26802 35584 35736 40032 47648 53376 53604 71168 71472 80064 95296 106752 107208 142336 142944 160128 190592 206971 213504 214416 284672 285888 320256 381184 413942 427008 428832 571776 620913 640512 762368 827884 854016 857664 1143552 1241826 1281024 1524736 1655768 1715328 1862739 2287104 2483652 2562048 3049472 3311536 3430656 3725478 4574208 4967304 6623072 6861312 7450956 9148416 9934608 13246144 13722624 14901912 19869216 26492288 27445248 29803824 39738432 52984576 59607648 79476864 105969152 119215296 158953728 211938304 238430592 317907456 423876608 476861184 635814912 953722368 1271629824 1907444736 3814889472