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137902152 = 23319302417
BaseRepresentation
bin10000011100000…
…11100001001000
3100121111011012010
420032003201020
5240300332102
621403415520
73263102043
oct1016034110
9317434163
10137902152
1170929a23
123a2245a0
132275450b
1414459c5a
15c18ed6c
hex8383848

137902152 has 32 divisors (see below), whose sum is σ = 362901600. Its totient is φ = 43547904.

The previous prime is 137902139. The next prime is 137902159. The reversal of 137902152 is 251209731.

It is a super-2 number, since 2×1379021522 = 38034007052462208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137902159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150753 + ... + 151664.

It is an arithmetic number, because the mean of its divisors is an integer number (11340675).

Almost surely, 2137902152 is an apocalyptic number.

137902152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137902152 is an abundant number, since it is smaller than the sum of its proper divisors (224999448).

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

137902152 is a wasteful number, since it uses less digits than its factorization.

137902152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302445 (or 302441 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 137902152 is about 11743.1746985217. The cubic root of 137902152 is about 516.6427600917.

The spelling of 137902152 in words is "one hundred thirty-seven million, nine hundred two thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 302417 604834 907251 1209668 1814502 2419336 3629004 5745923 7258008 11491846 17237769 22983692 34475538 45967384 68951076 137902152