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80473136 = 2423218677
BaseRepresentation
bin1001100101111…
…10110000110000
312121102110101112
410302332300300
5131100120021
611552452452
71665003362
oct462766060
9177373345
1080473136
1141474727
1222b4a128
1313897853
14a98ad32
1570e8d5b
hex4cbec30

80473136 has 20 divisors (see below), whose sum is σ = 162696432. Its totient is φ = 38486976.

The previous prime is 80473123. The next prime is 80473153. The reversal of 80473136 is 63137408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108971 + ... + 109706.

Almost surely, 280473136 is an apocalyptic number.

It is an amenable number.

80473136 is an abundant number, since it is smaller than the sum of its proper divisors (82223296).

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

80473136 is a wasteful number, since it uses less digits than its factorization.

80473136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218708 (or 218702 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 80473136 is about 8970.6820253535. The cubic root of 80473136 is about 431.7347193898.

The spelling of 80473136 in words is "eighty million, four hundred seventy-three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 23 46 92 184 368 218677 437354 874708 1749416 3498832 5029571 10059142 20118284 40236568 80473136