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80494794 = 2324471933
BaseRepresentation
bin1001100110001…
…00000011001010
312121110120002200
410303010003022
5131101313134
611553141030
71665123462
oct463040312
9177416080
1080494794
1141489a26
1222b5a776
13138a4673
14a994ba2
157100499
hex4cc40ca

80494794 has 12 divisors (see below), whose sum is σ = 174405426. Its totient is φ = 26831592.

The previous prime is 80494793. The next prime is 80494819. The reversal of 80494794 is 49749408.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 10989225 = 8337^2 + 3315^2 .

It is a super-2 number, since 2×804947942 = 12958823722204872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80494793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2235949 + ... + 2235984.

Almost surely, 280494794 is an apocalyptic number.

80494794 is an abundant number, since it is smaller than the sum of its proper divisors (93910632).

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

80494794 is a wasteful number, since it uses less digits than its factorization.

80494794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471941 (or 4471938 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 80494794 is about 8971.8890987350. The cubic root of 80494794 is about 431.7734473111.

The spelling of 80494794 in words is "eighty million, four hundred ninety-four thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 18 4471933 8943866 13415799 26831598 40247397 80494794