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3813768 = 2332722347
BaseRepresentation
bin1110100011000110001000
321011202111200
432203012020
51434020033
6213424200
744262600
oct16430610
97152450
103813768
112175382
12133b060
13a36b8a
14713c00
15505013
hex3a3188

3813768 has 144 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 1020096.

The previous prime is 3813757. The next prime is 3813769. The reversal of 3813768 is 8673183.

3813768 = 73 + 83 + ... + 623.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (24192) is a multiple of the sum of its prime factors (96).

It is not an unprimeable number, because it can be changed into a prime (3813769) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81121 + ... + 81167.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

Almost surely, 23813768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3813768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6402240).

3813768 is an abundant number, since it is smaller than the sum of its proper divisors (8990712).

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

3813768 is a wasteful number, since it uses less digits than its factorization.

3813768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 82 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3813768 is about 1952.8870935105. The cubic root of 3813768 is about 156.2373113963.

The spelling of 3813768 in words is "three million, eight hundred thirteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 23 24 28 36 42 46 47 49 56 63 69 72 84 92 94 98 126 138 141 147 161 168 184 188 196 207 252 276 282 294 322 329 376 392 414 423 441 483 504 552 564 588 644 658 828 846 882 966 987 1081 1127 1128 1176 1288 1316 1449 1656 1692 1764 1932 1974 2162 2254 2303 2632 2898 2961 3243 3381 3384 3528 3864 3948 4324 4508 4606 5796 5922 6486 6762 6909 7567 7896 8648 9016 9212 9729 10143 11592 11844 12972 13524 13818 15134 18424 19458 20286 20727 22701 23688 25944 27048 27636 30268 38916 40572 41454 45402 52969 55272 60536 68103 77832 81144 82908 90804 105938 136206 158907 165816 181608 211876 272412 317814 423752 476721 544824 635628 953442 1271256 1906884 3813768