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97128153 = 342115683
BaseRepresentation
bin1011100101000…
…00111011011001
320202202121210000
411302200323121
5144331100103
613345443213
72256401313
oct562407331
9222677700
1097128153
114a90a901
1228640509
13171795a5
14cc847b3
1587d8aa3
hex5ca0ed9

97128153 has 20 divisors (see below), whose sum is σ = 145805968. Its totient is φ = 64433880.

The previous prime is 97128151. The next prime is 97128167. The reversal of 97128153 is 35182179.

It is not a de Polignac number, because 97128153 - 21 = 97128151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97128151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14250 + ... + 19932.

Almost surely, 297128153 is an apocalyptic number.

It is an amenable number.

97128153 is a deficient number, since it is larger than the sum of its proper divisors (48677815).

97128153 is a wasteful number, since it uses less digits than its factorization.

97128153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906 (or 5897 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 97128153 is about 9855.3616372003. The cubic root of 97128153 is about 459.6723454345.

The spelling of 97128153 in words is "ninety-seven million, one hundred twenty-eight thousand, one hundred fifty-three".

Divisors: 1 3 9 27 81 211 633 1899 5683 5697 17049 17091 51147 153441 460323 1199113 3597339 10792017 32376051 97128153