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80239108 = 22127157951
BaseRepresentation
bin1001100100001…
…01101000000100
312120222120100211
410302011220010
5131020122413
611543445204
71663010155
oct462055004
9176876324
1080239108
1141324914
1222a56804
1313815181
14a92992c
15709e83d
hex4c85a04

80239108 has 12 divisors (see below), whose sum is σ = 141524992. Its totient is φ = 39803400.

The previous prime is 80239097. The next prime is 80239121. The reversal of 80239108 is 80193208.

It is a self number, because there is not a number n which added to its sum of digits gives 80239108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78468 + ... + 79483.

Almost surely, 280239108 is an apocalyptic number.

It is an amenable number.

80239108 is a deficient number, since it is larger than the sum of its proper divisors (61285884).

80239108 is a wasteful number, since it uses less digits than its factorization.

80239108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158082 (or 158080 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 80239108 is about 8957.6284807978. The cubic root of 80239108 is about 431.3157965001.

The spelling of 80239108 in words is "eighty million, two hundred thirty-nine thousand, one hundred eight".

Divisors: 1 2 4 127 254 508 157951 315902 631804 20059777 40119554 80239108