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80337412 = 22163712269
BaseRepresentation
bin1001100100111…
…01101000000100
312121011120012201
410302131220010
5131031244122
611545524244
71663566601
oct462355004
9177146181
1080337412
1141391761
1222aa3684
131384ab3c
14a9536a8
1570bda27
hex4c9da04

80337412 has 12 divisors (see below), whose sum is σ = 140687820. Its totient is φ = 40140896.

The previous prime is 80337353. The next prime is 80337421. The reversal of 80337412 is 21473308.

It can be written as a sum of positive squares in 2 ways, for example, as 37748736 + 42588676 = 6144^2 + 6526^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414 + ... + 12682.

It is an arithmetic number, because the mean of its divisors is an integer number (11723985).

Almost surely, 280337412 is an apocalyptic number.

It is an amenable number.

80337412 is a deficient number, since it is larger than the sum of its proper divisors (60350408).

80337412 is a wasteful number, since it uses less digits than its factorization.

80337412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910 (or 13908 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 80337412 is about 8963.1139678127. The cubic root of 80337412 is about 431.4918651096.

The spelling of 80337412 in words is "eighty million, three hundred thirty-seven thousand, four hundred twelve".

Divisors: 1 2 4 1637 3274 6548 12269 24538 49076 20084353 40168706 80337412