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86954994 = 2327690119
BaseRepresentation
bin1010010111011…
…01001111110010
320001121202211100
411023231033302
5134230024434
612343425230
72104051050
oct513551762
9201552740
1086954994
11450a1635
1225155216
1315026c79
14b7971d0
157979699
hex52ed3f2

86954994 has 24 divisors (see below), whose sum is σ = 215317440. Its totient is φ = 24844248.

The previous prime is 86954993. The next prime is 86955007. The reversal of 86954994 is 49945968.

86954994 is a `hidden beast` number, since 8 + 6 + 9 + 549 + 94 = 666.

It is a super-2 number, since 2×869549942 = 15122341963080072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86954994.

It is not an unprimeable number, because it can be changed into a prime (86954993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344934 + ... + 345185.

It is an arithmetic number, because the mean of its divisors is an integer number (8971560).

Almost surely, 286954994 is an apocalyptic number.

86954994 is an abundant number, since it is smaller than the sum of its proper divisors (128362446).

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

86954994 is a wasteful number, since it uses less digits than its factorization.

86954994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690134 (or 690131 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 86954994 is about 9324.9661661585. The cubic root of 86954994 is about 443.0283414310.

It can be divided in two parts, 8695 and 4994, that added together give a square (13689 = 1172).

The spelling of 86954994 in words is "eighty-six million, nine hundred fifty-four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 690119 1380238 2070357 4140714 4830833 6211071 9661666 12422142 14492499 28984998 43477497 86954994