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3871274688 = 26332240321
BaseRepresentation
bin1110011010111110…
…1111011011000000
3100222210111010112000
43212233233123000
530412021242223
61440050504000
7164635202061
oct34657573300
910883433460
103871274688
111707262a76
12900595000
134990611a8
1428a206568
15179ce9543
hexe6bef6c0

3871274688 has 56 divisors (see below), whose sum is σ = 11380835760. Its totient is φ = 1290424320.

The previous prime is 3871274657. The next prime is 3871274689. The reversal of 3871274688 is 8864721783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3871274689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118433 + ... + 1121888.

It is an arithmetic number, because the mean of its divisors is an integer number (203229210).

Almost surely, 23871274688 is an apocalyptic number.

It is an amenable number.

3871274688 is an abundant number, since it is smaller than the sum of its proper divisors (7509561072).

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

3871274688 is a wasteful number, since it uses less digits than its factorization.

3871274688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240342 (or 2240326 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 3871274688 is about 62219.5683688018. The cubic root of 3871274688 is about 1570.1868261857.

The spelling of 3871274688 in words is "three billion, eight hundred seventy-one million, two hundred seventy-four thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 2240321 4480642 6720963 8961284 13441926 17922568 20162889 26883852 35845136 40325778 53767704 60488667 71690272 80651556 107535408 120977334 143380544 161303112 215070816 241954668 322606224 430141632 483909336 645212448 967818672 1290424896 1935637344 3871274688