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137745741 = 3731457463
BaseRepresentation
bin10000011010111…
…01010101001101
3100121012012122010
420031131111031
5240230330431
621400211433
73261551040
oct1015352515
9317165563
10137745741
1170832461
123a169b79
13226cb273
1414418c57
15c15d846
hex835d54d

137745741 has 32 divisors (see below), whose sum is σ = 217612288. Its totient is φ = 75841920.

The previous prime is 137745733. The next prime is 137745761. The reversal of 137745741 is 147547731.

137745741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137745741 - 23 = 137745733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137745741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137745731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297276 + ... + 297738.

It is an arithmetic number, because the mean of its divisors is an integer number (6800384).

Almost surely, 2137745741 is an apocalyptic number.

It is an amenable number.

137745741 is a deficient number, since it is larger than the sum of its proper divisors (79866547).

137745741 is a wasteful number, since it uses less digits than its factorization.

137745741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its digits is 82320, while the sum is 39.

The square root of 137745741 is about 11736.5131534029. The cubic root of 137745741 is about 516.4473578195.

The spelling of 137745741 in words is "one hundred thirty-seven million, seven hundred forty-five thousand, seven hundred forty-one".

Divisors: 1 3 7 21 31 93 217 457 463 651 1371 1389 3199 3241 9597 9723 14167 14353 42501 43059 99169 100471 211591 297507 301413 634773 1481137 4443411 6559321 19677963 45915247 137745741