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137072525 = 52232231069
BaseRepresentation
bin10000010101110…
…00111110001101
3100112221000011012
420022320332031
5240042310100
621333535005
73253045232
oct1012707615
9315830135
10137072525
1170412687
1239aa4465
1322523a05
14142c1789
15c079135
hex82b8f8d

137072525 has 24 divisors (see below), whose sum is σ = 178321920. Its totient is φ = 104322240.

The previous prime is 137072521. The next prime is 137072527. The reversal of 137072525 is 525270731.

137072525 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 137072525 - 22 = 137072521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137072491 and 137072500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137072521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127691 + ... + 128759.

It is an arithmetic number, because the mean of its divisors is an integer number (7430080).

Almost surely, 2137072525 is an apocalyptic number.

It is an amenable number.

137072525 is a deficient number, since it is larger than the sum of its proper divisors (41249395).

137072525 is a wasteful number, since it uses less digits than its factorization.

137072525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 137072525 is about 11707.7976152648. The cubic root of 137072525 is about 515.6046249678.

The spelling of 137072525 in words is "one hundred thirty-seven million, seventy-two thousand, five hundred twenty-five".

Divisors: 1 5 23 25 115 223 575 1069 1115 5129 5345 5575 24587 25645 26725 122935 128225 238387 614675 1191935 5482901 5959675 27414505 137072525