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80080074 = 23219872239
BaseRepresentation
bin1001100010111…
…10110011001010
312120200111012200
410301132303022
5131000030244
611540221030
71661445414
oct461366312
9176614180
1080080074
1141226388
122299a776
131378a979
14a8c79b4
15706c669
hex4c5ecca

80080074 has 24 divisors (see below), whose sum is σ = 173671680. Its totient is φ = 26668008.

The previous prime is 80080073. The next prime is 80080087. The reversal of 80080074 is 47008008.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80080073) 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, 34647 + ... + 36885.

It is an arithmetic number, because the mean of its divisors is an integer number (7236320).

Almost surely, 280080074 is an apocalyptic number.

80080074 is an abundant number, since it is smaller than the sum of its proper divisors (93591606).

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

80080074 is a wasteful number, since it uses less digits than its factorization.

80080074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 80080074 is about 8948.7470631368. The cubic root of 80080074 is about 431.0306519042.

The spelling of 80080074 in words is "eighty million, eighty thousand, seventy-four".

Divisors: 1 2 3 6 9 18 1987 2239 3974 4478 5961 6717 11922 13434 17883 20151 35766 40302 4448893 8897786 13346679 26693358 40040037 80080074