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137741690 = 2530744867
BaseRepresentation
bin10000011010111…
…00010101111010
3100121012000002002
420031130111322
5240230213230
621400141002
73261533162
oct1015342572
9317160062
10137741690
117082a409
123a167762
13226c9478
14144175a2
15c15c545
hex835c57a

137741690 has 16 divisors (see below), whose sum is σ = 248748192. Its totient is φ = 54915984.

The previous prime is 137741671. The next prime is 137741699. The reversal of 137741690 is 96147731.

137741690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1377416902 = 37945546328112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137741699) 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, 19364 + ... + 25503.

It is an arithmetic number, because the mean of its divisors is an integer number (15546762).

Almost surely, 2137741690 is an apocalyptic number.

137741690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137741690 is a deficient number, since it is larger than the sum of its proper divisors (111006502).

137741690 is a wasteful number, since it uses less digits than its factorization.

137741690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45181.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 137741690 is about 11736.3405710639. The cubic root of 137741690 is about 516.4422949920.

The spelling of 137741690 in words is "one hundred thirty-seven million, seven hundred forty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 307 614 1535 3070 44867 89734 224335 448670 13774169 27548338 68870845 137741690