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80064474 = 2371906297
BaseRepresentation
bin1001100010110…
…10111111011010
312120122200210220
410301122333122
5130444030344
611540020510
71661352060
oct461327732
9176580726
1080064474
1141215696
1222991736
1313783839
14a8c2030
157067c19
hex4c5afda

80064474 has 16 divisors (see below), whose sum is σ = 183004608. Its totient is φ = 22875552.

The previous prime is 80064469. The next prime is 80064493. The reversal of 80064474 is 47446008.

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, 953107 + ... + 953190.

It is an arithmetic number, because the mean of its divisors is an integer number (11437788).

Almost surely, 280064474 is an apocalyptic number.

80064474 is an abundant number, since it is smaller than the sum of its proper divisors (102940134).

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

80064474 is a wasteful number, since it uses less digits than its factorization.

80064474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906309.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 80064474 is about 8947.8753902812. The cubic root of 80064474 is about 431.0026611091.

The spelling of 80064474 in words is "eighty million, sixty-four thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 1906297 3812594 5718891 11437782 13344079 26688158 40032237 80064474