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27313992 = 23323710253
BaseRepresentation
bin110100000110…
…0011101001000
31220101200202100
41220030131020
523443021432
62413233400
7451110426
oct150143510
956350670
1027313992
1114466452
129192860
135874534
1438b0116
1525e807c
hex1a0c748

27313992 has 48 divisors (see below), whose sum is σ = 75982140. Its totient is φ = 8857728.

The previous prime is 27313981. The next prime is 27313999. The reversal of 27313992 is 29931372.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 2916 = 5226^2 + 54^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27313999) 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, 2463 + ... + 7790.

Almost surely, 227313992 is an apocalyptic number.

It is an amenable number.

27313992 is an abundant number, since it is smaller than the sum of its proper divisors (48668148).

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

27313992 is a wasteful number, since it uses less digits than its factorization.

27313992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302 (or 10295 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 27313992 is about 5226.2789822205. The cubic root of 27313992 is about 301.1584541883.

The spelling of 27313992 in words is "twenty-seven million, three hundred thirteen thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 10253 20506 30759 41012 61518 82024 92277 123036 184554 246072 369108 379361 738216 758722 1138083 1517444 2276166 3034888 3414249 4552332 6828498 9104664 13656996 27313992