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80368708 = 2271927951
BaseRepresentation
bin1001100101001…
…01010001000100
312121020011010211
410302211101010
5131033244313
611550325204
71664060050
oct462452104
9177204124
1080368708
1141403222
1222ab9804
131385c164
14a960c60
1570c7e3d
hex4ca5444

80368708 has 36 divisors (see below), whose sum is σ = 169663872. Its totient is φ = 32626800.

The previous prime is 80368703. The next prime is 80368751. The reversal of 80368708 is 80786308.

It is not an unprimeable number, because it can be changed into a prime (80368703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6133 + ... + 14083.

Almost surely, 280368708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80368708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84831936).

80368708 is an abundant number, since it is smaller than the sum of its proper divisors (89295164).

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

80368708 is a wasteful number, since it uses less digits than its factorization.

80368708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000 (or 7979 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 80368708 is about 8964.8596196483. The cubic root of 80368708 is about 431.5478880588.

The spelling of 80368708 in words is "eighty million, three hundred sixty-eight thousand, seven hundred eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 361 532 722 1444 2527 5054 7951 10108 15902 31804 55657 111314 151069 222628 302138 604276 1057483 2114966 2870311 4229932 5740622 11481244 20092177 40184354 80368708