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80342808 = 23371336787
BaseRepresentation
bin1001100100111…
…10111100011000
312121011211121120
410302132330120
5131031432213
611550005240
71663621410
oct462367430
9177154546
1080342808
1141395817
1222aa6820
1313850430
14a955640
1570c0423
hex4c9ef18

80342808 has 64 divisors (see below), whose sum is σ = 247215360. Its totient is φ = 21188736.

The previous prime is 80342797. The next prime is 80342839. The reversal of 80342808 is 80824308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16210 + ... + 20577.

It is an arithmetic number, because the mean of its divisors is an integer number (3862740).

Almost surely, 280342808 is an apocalyptic number.

It is an amenable number.

80342808 is an abundant number, since it is smaller than the sum of its proper divisors (166872552).

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

80342808 is a wasteful number, since it uses less digits than its factorization.

80342808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36816 (or 36812 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 80342808 is about 8963.4149742160. The cubic root of 80342808 is about 431.5015255236.

The spelling of 80342808 in words is "eighty million, three hundred forty-two thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 36787 73574 110361 147148 220722 257509 294296 441444 478231 515018 772527 882888 956462 1030036 1434693 1545054 1912924 2060072 2869386 3090108 3347617 3825848 5738772 6180216 6695234 10042851 11477544 13390468 20085702 26780936 40171404 80342808