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97918668 = 223215118013
BaseRepresentation
bin1011101011000…
…01111011001100
320211020210011100
411311201323030
5200031344133
613414423100
72266203111
oct565417314
9224223140
1097918668
11502aa821
1228961a90
1317395353
14d00c908
1588e2e13
hex5d61ecc

97918668 has 36 divisors (see below), whose sum is σ = 249169648. Its totient is φ = 32421600.

The previous prime is 97918627. The next prime is 97918679. The reversal of 97918668 is 86681979.

It is a tau number, because it is divible by the number of its divisors (36).

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, 3571 + ... + 14442.

Almost surely, 297918668 is an apocalyptic number.

It is an amenable number.

97918668 is an abundant number, since it is smaller than the sum of its proper divisors (151250980).

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

97918668 is a wasteful number, since it uses less digits than its factorization.

97918668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18174 (or 18169 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 97918668 is about 9895.3861976176. The cubic root of 97918668 is about 460.9160510475.

The spelling of 97918668 in words is "ninety-seven million, nine hundred eighteen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 151 302 453 604 906 1359 1812 2718 5436 18013 36026 54039 72052 108078 162117 216156 324234 648468 2719963 5439926 8159889 10879852 16319778 24479667 32639556 48959334 97918668