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82904994 = 2325578269
BaseRepresentation
bin1001111000100…
…00011110100010
312210000000021100
410330100132202
5132210424434
612120535230
72024452344
oct474203642
9183000240
1082904994
1142885827
1223921516
1314239713
14b021294
157429699
hex4f107a2

82904994 has 24 divisors (see below), whose sum is σ = 179971740. Its totient is φ = 27582048.

The previous prime is 82904981. The next prime is 82905047. The reversal of 82904994 is 49940928.

It can be written as a sum of positive squares in 2 ways, for example, as 82901025 + 3969 = 9105^2 + 63^2 .

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, 5892 + ... + 14160.

Almost surely, 282904994 is an apocalyptic number.

82904994 is an abundant number, since it is smaller than the sum of its proper divisors (97066746).

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

82904994 is a wasteful number, since it uses less digits than its factorization.

82904994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834 (or 8831 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 82904994 is about 9105.2179545577. The cubic root of 82904994 is about 436.0405687077.

The spelling of 82904994 in words is "eighty-two million, nine hundred four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 557 1114 1671 3342 5013 8269 10026 16538 24807 49614 74421 148842 4605833 9211666 13817499 27634998 41452497 82904994