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80932012 = 2272890429
BaseRepresentation
bin1001101001011…
…10110010101100
312122021202211221
410310232302230
5131204311022
612010353124
72001624250
oct464566254
9178252757
1080932012
1141758467
122312b7a4
13139c8685
14aa6a260
157189cc7
hex4d2ecac

80932012 has 12 divisors (see below), whose sum is σ = 161864080. Its totient is φ = 34685136.

The previous prime is 80932003. The next prime is 80932013. The reversal of 80932012 is 21023908.

80932012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (80932013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445187 + ... + 1445242.

Almost surely, 280932012 is an apocalyptic number.

It is an amenable number.

80932012 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.

80932012 is a wasteful number, since it uses less digits than its factorization.

80932012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890440 (or 2890438 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 80932012 is about 8996.2220959690. Note that the first 3 decimals coincide. The cubic root of 80932012 is about 432.5537808315.

The spelling of 80932012 in words is "eighty million, nine hundred thirty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 2890429 5780858 11561716 20233003 40466006 80932012