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137202425 = 5253103549
BaseRepresentation
bin10000010110110…
…00101011111001
3100120011121100022
420023120223321
5240110434200
621340420225
73254126033
oct1013305371
9316147308
10137202425
11704a1238
1239b47675
132256ab89
1414316c53
15c0a2885
hex82d8af9

137202425 has 12 divisors (see below), whose sum is σ = 173342700. Its totient is φ = 107689920.

The previous prime is 137202421. The next prime is 137202433. The reversal of 137202425 is 524202731.

137202425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2572816 + 134629609 = 1604^2 + 11603^2 .

It is not a de Polignac number, because 137202425 - 22 = 137202421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137202394 and 137202403.

It is not an unprimeable number, because it can be changed into a prime (137202421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50450 + ... + 53099.

It is an arithmetic number, because the mean of its divisors is an integer number (14445225).

Almost surely, 2137202425 is an apocalyptic number.

It is an amenable number.

137202425 is a deficient number, since it is larger than the sum of its proper divisors (36140275).

137202425 is a wasteful number, since it uses less digits than its factorization.

137202425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103612 (or 103607 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 137202425 is about 11713.3438863546. The cubic root of 137202425 is about 515.7674484912.

The spelling of 137202425 in words is "one hundred thirty-seven million, two hundred two thousand, four hundred twenty-five".

Divisors: 1 5 25 53 265 1325 103549 517745 2588725 5488097 27440485 137202425