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137745044 = 22971093257
BaseRepresentation
bin10000011010111…
…01001010010100
3100121012011200022
420031131022110
5240230320134
621400204312
73261546023
oct1015351224
9317164608
10137745044
1170831988
123a169698
13226cab58
14144188ba
15c15d52e
hex835d294

137745044 has 24 divisors (see below), whose sum is σ = 245848680. Its totient is φ = 67516416.

The previous prime is 137745037. The next prime is 137745053. The reversal of 137745044 is 440547731.

It can be written as a sum of positive squares in 4 ways, for example, as 52736644 + 85008400 = 7262^2 + 9220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137744995 and 137745013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40664 + ... + 43920.

It is an arithmetic number, because the mean of its divisors is an integer number (10243695).

Almost surely, 2137745044 is an apocalyptic number.

It is an amenable number.

137745044 is a deficient number, since it is larger than the sum of its proper divisors (108103636).

137745044 is a wasteful number, since it uses less digits than its factorization.

137745044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 137745044 is about 11736.4834597080. The cubic root of 137745044 is about 516.4464867353.

The spelling of 137745044 in words is "one hundred thirty-seven million, seven hundred forty-five thousand, forty-four".

Divisors: 1 2 4 97 109 194 218 388 436 3257 6514 10573 13028 21146 42292 315929 355013 631858 710026 1263716 1420052 34436261 68872522 137745044