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80804136 = 2337268711
BaseRepresentation
bin1001101000011…
…11100100101000
312122001021102210
410310033210220
5131141213021
612003525120
72000552400
oct464174450
9178037383
1080804136
1141680386
12230897a0
13139823ca
14aa35800
157161e76
hex4d0f928

80804136 has 48 divisors (see below), whose sum is σ = 234995040. Its totient is φ = 23086560.

The previous prime is 80804117. The next prime is 80804159. The reversal of 80804136 is 63140808.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33180 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (4895730).

Almost surely, 280804136 is an apocalyptic number.

It is an amenable number.

80804136 is an abundant number, since it is smaller than the sum of its proper divisors (154190904).

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

80804136 is a wasteful number, since it uses less digits than its factorization.

80804136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68734 (or 68723 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80804136 is about 8989.1120807341. The cubic root of 80804136 is about 432.3258429862.

The spelling of 80804136 in words is "eighty million, eight hundred four thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 68711 137422 206133 274844 412266 480977 549688 824532 961954 1442931 1649064 1923908 2885862 3366839 3847816 5771724 6733678 10100517 11543448 13467356 20201034 26934712 40402068 80804136