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97642984 = 2318167433
BaseRepresentation
bin1011101000111…
…10100111101000
320210201202222211
411310132213220
5144444033414
613404454504
72263644265
oct564364750
9223652884
1097642984
115013168a
122884a434
13172c9a1a
14cd7a26c
15888b3c4
hex5d1e9e8

97642984 has 16 divisors (see below), whose sum is σ = 184094820. Its totient is φ = 48551040.

The previous prime is 97642967. The next prime is 97642999. The reversal of 97642984 is 48924679.

It can be written as a sum of positive squares in 2 ways, for example, as 91738084 + 5904900 = 9578^2 + 2430^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32269 + ... + 35164.

Almost surely, 297642984 is an apocalyptic number.

It is an amenable number.

97642984 is a deficient number, since it is larger than the sum of its proper divisors (86451836).

97642984 is a wasteful number, since it uses less digits than its factorization.

97642984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67620 (or 67616 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 97642984 is about 9881.4464528226. The cubic root of 97642984 is about 460.4830841780.

The spelling of 97642984 in words is "ninety-seven million, six hundred forty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 181 362 724 1448 67433 134866 269732 539464 12205373 24410746 48821492 97642984