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3387975840 = 253252352761
BaseRepresentation
bin1100100111110000…
…0110100010100000
322202010002000010200
43021330012202200
523414310211330
61320104025200
7146646214404
oct31174064240
98663060120
103387975840
111489473437
127a6762200
1341cba5b42
14241d5b104
1514c67ea60
hexc9f068a0

3387975840 has 72 divisors (see below), whose sum is σ = 11561472468. Its totient is φ = 903459840.

The previous prime is 3387975839. The next prime is 3387975881. The reversal of 3387975840 is 485797833.

It can be written as a sum of positive squares in 2 ways, for example, as 2748695184 + 639280656 = 52428^2 + 25284^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×33879758402 = 22956760584847411200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1174941 + ... + 1177820.

Almost surely, 23387975840 is an apocalyptic number.

3387975840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3387975840 is an abundant number, since it is smaller than the sum of its proper divisors (8173496628).

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

3387975840 is a wasteful number, since it uses less digits than its factorization.

3387975840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352782 (or 2352771 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 3387975840 is about 58206.3213061949. The cubic root of 3387975840 is about 1501.9198883042.

The spelling of 3387975840 in words is "three billion, three hundred eighty-seven million, nine hundred seventy-five thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 2352761 4705522 7058283 9411044 11763805 14116566 18822088 21174849 23527610 28233132 35291415 37644176 42349698 47055220 56466264 70582830 75288352 84699396 94110440 105874245 112932528 141165660 169398792 188220880 211748490 225865056 282331320 338797584 376441760 423496980 564662640 677595168 846993960 1129325280 1693987920 3387975840