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137025532 = 22721532273
BaseRepresentation
bin10000010101011…
…01011111111100
3100112211121200201
420022231133330
5240034304112
621332533244
73252461230
oct1012553774
9315747621
10137025532
1170390346
1239a81224
13225084c7
14142ac5c0
15c06a257
hex82ad7fc

137025532 has 24 divisors (see below), whose sum is σ = 274298976. Its totient is φ = 58672128.

The previous prime is 137025523. The next prime is 137025533. The reversal of 137025532 is 235520731.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 137025532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137025533) 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, 59148 + ... + 61420.

It is an arithmetic number, because the mean of its divisors is an integer number (11429124).

Almost surely, 2137025532 is an apocalyptic number.

It is an amenable number.

137025532 is an abundant number, since it is smaller than the sum of its proper divisors (137273444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137025532 is a wasteful number, since it uses less digits than its factorization.

137025532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 137025532 is about 11705.7905328944. The cubic root of 137025532 is about 515.5456961207.

The spelling of 137025532 in words is "one hundred thirty-seven million, twenty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 2153 2273 4306 4546 8612 9092 15071 15911 30142 31822 60284 63644 4893769 9787538 19575076 34256383 68512766 137025532