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79882940 = 2253994147
BaseRepresentation
bin1001100001011…
…10101010111100
312120022110210102
410300232222330
5130422223230
611532100232
71656664604
oct460565274
9176273712
1079882940
1141101265
1222904678
131371c017
14a875c04
15702e045
hex4c2eabc

79882940 has 12 divisors (see below), whose sum is σ = 167754216. Its totient is φ = 31953168.

The previous prime is 79882879. The next prime is 79882993. The reversal of 79882940 is 4928897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997054 + ... + 1997093.

It is an arithmetic number, because the mean of its divisors is an integer number (13979518).

Almost surely, 279882940 is an apocalyptic number.

It is an amenable number.

79882940 is an abundant number, since it is smaller than the sum of its proper divisors (87871276).

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

79882940 is a wasteful number, since it uses less digits than its factorization.

79882940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994156 (or 3994154 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 79882940 is about 8937.7256614868. The cubic root of 79882940 is about 430.6766703109.

It can be divided in two parts, 798 and 82940, that added together give a palindrome (83738).

The spelling of 79882940 in words is "seventy-nine million, eight hundred eighty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 3994147 7988294 15976588 19970735 39941470 79882940