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80675308 = 2272881261
BaseRepresentation
bin1001100111100…
…00000111101100
312121210201201101
410303300013230
5131123102213
612001052444
71666504660
oct463600754
9177721641
1080675308
11415a260a
1223027124
131393888c
14aa008a0
157138bdd
hex4cf01ec

80675308 has 12 divisors (see below), whose sum is σ = 161350672. Its totient is φ = 34575120.

The previous prime is 80675269. The next prime is 80675321. The reversal of 80675308 is 80357608.

80675308 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 1440603 + ... + 1440658.

Almost surely, 280675308 is an apocalyptic number.

It is an amenable number.

80675308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80675308 is a wasteful number, since it uses less digits than its factorization.

80675308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881272 (or 2881270 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80675308 is about 8981.9434422624. The cubic root of 80675308 is about 432.0959649061.

The spelling of 80675308 in words is "eighty million, six hundred seventy-five thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 2881261 5762522 11525044 20168827 40337654 80675308