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79892012 = 22149134047
BaseRepresentation
bin1001100001100…
…00111000101100
312120022221020102
410300300320230
5130423021022
611532210232
71660033214
oct460607054
9176287212
1079892012
1141108062
1222909978
13137231a5
14a879244
157031a92
hex4c30e2c

79892012 has 12 divisors (see below), whose sum is σ = 140750400. Its totient is φ = 39677616.

The previous prime is 79892009. The next prime is 79892047. The reversal of 79892012 is 21029897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66428 + ... + 67619.

It is an arithmetic number, because the mean of its divisors is an integer number (11729200).

Almost surely, 279892012 is an apocalyptic number.

It is an amenable number.

79892012 is a deficient number, since it is larger than the sum of its proper divisors (60858388).

79892012 is a wasteful number, since it uses less digits than its factorization.

79892012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134200 (or 134198 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 79892012 is about 8938.2331587400. The cubic root of 79892012 is about 430.6929731279.

It can be divided in two parts, 7989 and 2012, that added together give a palindrome (10001).

The spelling of 79892012 in words is "seventy-nine million, eight hundred ninety-two thousand, twelve".

Divisors: 1 2 4 149 298 596 134047 268094 536188 19973003 39946006 79892012