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137002432 = 2673792
BaseRepresentation
bin10000010101001…
…11110111000000
3100112210110000011
420022213313000
5240033034212
621332234304
73252334000
oct1012476700
9315713004
10137002432
1170374a56
1239a6b994
13224cab38
14142a4000
15c0634a7
hex82a7dc0

137002432 has 84 divisors (see below), whose sum is σ = 321106800. Its totient is φ = 57972096.

The previous prime is 137002399. The next prime is 137002433. The reversal of 137002432 is 234200731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137002433) 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, 1734169 + ... + 1734247.

It is an arithmetic number, because the mean of its divisors is an integer number (3822700).

Almost surely, 2137002432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137002432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160553400).

137002432 is an abundant number, since it is smaller than the sum of its proper divisors (184104368).

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

137002432 is an frugal number, since it uses more digits than its factorization.

137002432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 137002432 is about 11704.8038001497. The cubic root of 137002432 is about 515.5167239657.

Multiplying 137002432 by its product of nonzero digits (1008), we get a square (138098451456 = 3716162).

The spelling of 137002432 in words is "one hundred thirty-seven million, two thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 79 98 112 158 196 224 316 343 392 448 553 632 686 784 1106 1264 1372 1568 2212 2528 2744 3136 3871 4424 5056 5488 6241 7742 8848 10976 12482 15484 17696 21952 24964 27097 30968 35392 43687 49928 54194 61936 87374 99856 108388 123872 174748 199712 216776 247744 305809 349496 399424 433552 611618 698992 867104 1223236 1397984 1734208 2140663 2446472 2795968 4281326 4892944 8562652 9785888 17125304 19571776 34250608 68501216 137002432