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137156690 = 25111246879
BaseRepresentation
bin10000010110011…
…01100001010010
3100120002021121102
420023031201102
5240103003230
621335424402
73253545506
oct1013154122
9316067542
10137156690
117046a940
1239b25102
1322553108
1414304306
15c094045
hex82cd852

137156690 has 16 divisors (see below), whose sum is σ = 269326080. Its totient is φ = 49875120.

The previous prime is 137156683. The next prime is 137156711. The reversal of 137156690 is 96651731.

It is a super-2 number, since 2×1371566902 = 37623915223512200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623330 + ... + 623549.

It is an arithmetic number, because the mean of its divisors is an integer number (16832880).

Almost surely, 2137156690 is an apocalyptic number.

137156690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137156690 is a deficient number, since it is larger than the sum of its proper divisors (132169390).

137156690 is a wasteful number, since it uses less digits than its factorization.

137156690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246897.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 137156690 is about 11711.3914630158. The cubic root of 137156690 is about 515.7101335525.

The spelling of 137156690 in words is "one hundred thirty-seven million, one hundred fifty-six thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 1246879 2493758 6234395 12468790 13715669 27431338 68578345 137156690