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97145932 = 221321311097
BaseRepresentation
bin1011100101001…
…01010001001100
320202210112011111
411302211101030
5144332132212
613350101404
72256504202
oct562452114
9222715144
1097145932
114a9221a4
122864a864
1317184700
14cc8b072
1587ddea7
hex5ca544c

97145932 has 36 divisors (see below), whose sum is σ = 185663016. Its totient is φ = 44453760.

The previous prime is 97145929. The next prime is 97145947. The reversal of 97145932 is 23954179.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88008 + ... + 89104.

It is an arithmetic number, because the mean of its divisors is an integer number (5157306).

Almost surely, 297145932 is an apocalyptic number.

It is an amenable number.

97145932 is a deficient number, since it is larger than the sum of its proper divisors (88517084).

97145932 is a wasteful number, since it uses less digits than its factorization.

97145932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1243 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 97145932 is about 9856.2635922544. The cubic root of 97145932 is about 459.7003909111.

The spelling of 97145932 in words is "ninety-seven million, one hundred forty-five thousand, nine hundred thirty-two".

Divisors: 1 2 4 13 26 52 131 169 262 338 524 676 1097 1703 2194 3406 4388 6812 14261 22139 28522 44278 57044 88556 143707 185393 287414 370786 574828 741572 1868191 3736382 7472764 24286483 48572966 97145932