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80338076 = 22713220709
BaseRepresentation
bin1001100100111…
…01110010011100
312121011121010022
410302131302130
5131031304301
611545531312
71663601540
oct462356234
9177147108
1080338076
1141392205
1222aa3b38
131384b230
14a953a20
1570bdd1b
hex4c9dc9c

80338076 has 24 divisors (see below), whose sum is σ = 173036640. Its totient is φ = 31781952.

The previous prime is 80338021. The next prime is 80338109. The reversal of 80338076 is 67083308.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109991 + ... + 110718.

It is an arithmetic number, because the mean of its divisors is an integer number (7209860).

Almost surely, 280338076 is an apocalyptic number.

It is an amenable number.

80338076 is an abundant number, since it is smaller than the sum of its proper divisors (92698564).

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

80338076 is a wasteful number, since it uses less digits than its factorization.

80338076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220733 (or 220731 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80338076 is about 8963.1510084345. The cubic root of 80338076 is about 431.4930538866.

The spelling of 80338076 in words is "eighty million, three hundred thirty-eight thousand, seventy-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 220709 441418 882836 1544963 2869217 3089926 5738434 6179852 11476868 20084519 40169038 80338076