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80713460 = 22531130183
BaseRepresentation
bin1001100111110…
…01011011110100
312121212200001102
410303321123310
5131130312320
612001545232
72000024132
oct463713364
9177780042
1080713460
1141619243
1223045218
1313950059
14aa10752
157145175
hex4cf96f4

80713460 has 24 divisors (see below), whose sum is σ = 174967296. Its totient is φ = 31243680.

The previous prime is 80713441. The next prime is 80713481. The reversal of 80713460 is 6431708.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 64472 + ... + 65711.

It is an arithmetic number, because the mean of its divisors is an integer number (7290304).

Almost surely, 280713460 is an apocalyptic number.

It is an amenable number.

80713460 is an abundant number, since it is smaller than the sum of its proper divisors (94253836).

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

80713460 is a wasteful number, since it uses less digits than its factorization.

80713460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130223 (or 130221 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 80713460 is about 8984.0670077644. The cubic root of 80713460 is about 432.1640680538.

The spelling of 80713460 in words is "eighty million, seven hundred thirteen thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 130183 260366 520732 650915 1301830 2603660 4035673 8071346 16142692 20178365 40356730 80713460