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99995868 = 22327256687
BaseRepresentation
bin1011111010111…
…01000011011100
320222011022112200
411331131003130
5201044331433
613531131500
72322644100
oct575350334
9228138480
1099995868
1151499415
12295a3b90
131794196b
14d3cd900
158ba3613
hex5f5d0dc

99995868 has 54 divisors (see below), whose sum is σ = 294040656. Its totient is φ = 28569744.

The previous prime is 99995851. The next prime is 99995869. The reversal of 99995868 is 86859999.

99995868 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995869) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26580 + ... + 30107.

Almost surely, 299995868 is an apocalyptic number.

99995868 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

99995868 is an abundant number, since it is smaller than the sum of its proper divisors (194044788).

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

99995868 is a wasteful number, since it uses less digits than its factorization.

99995868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56711 (or 56699 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The square root of 99995868 is about 9999.7933978658. The cubic root of 99995868 is about 464.1524902582.

The spelling of 99995868 in words is "ninety-nine million, nine hundred ninety-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 56687 113374 170061 226748 340122 396809 510183 680244 793618 1020366 1190427 1587236 2040732 2380854 2777663 3571281 4761708 5555326 7142562 8332989 11110652 14285124 16665978 24998967 33331956 49997934 99995868