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137865030 = 23517092689
BaseRepresentation
bin10000011011110…
…10011101000110
3100121102021021020
420031322131012
5240243140110
621402532010
73262555602
oct1015723506
9317367236
10137865030
1170904046
123a207006
1322740654
141444a502
15c183d70
hex837a746

137865030 has 32 divisors (see below), whose sum is σ = 331192800. Its totient is φ = 36728832.

The previous prime is 137865023. The next prime is 137865037. The reversal of 137865030 is 30568731.

It is a happy number.

137865030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137865023) and next prime (137865037).

It is a junction number, because it is equal to n+sod(n) for n = 137864982 and 137865000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137865037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49926 + ... + 52614.

It is an arithmetic number, because the mean of its divisors is an integer number (10349775).

Almost surely, 2137865030 is an apocalyptic number.

137865030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137865030 is an abundant number, since it is smaller than the sum of its proper divisors (193327770).

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

137865030 is a wasteful number, since it uses less digits than its factorization.

137865030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 137865030 is about 11741.5940144428. The cubic root of 137865030 is about 516.5963974269.

The spelling of 137865030 in words is "one hundred thirty-seven million, eight hundred sixty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1709 2689 3418 5127 5378 8067 8545 10254 13445 16134 17090 25635 26890 40335 51270 80670 4595501 9191002 13786503 22977505 27573006 45955010 68932515 137865030