Search a number
-
+
80049912 = 2333335413
BaseRepresentation
bin1001100010101…
…11011011111000
312120121221211120
410301113123320
5130443044122
611535425240
71661261445
oct461273370
9176557746
1080049912
1141205758
1222985220
131377a017
14a8ba9cc
15706375c
hex4c576f8

80049912 has 16 divisors (see below), whose sum is σ = 200124840. Its totient is φ = 26683296.

The previous prime is 80049911. The next prime is 80049971. The reversal of 80049912 is 21994008.

It is a super-2 number, since 2×800499122 = 12815976822415488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80049911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667683 + ... + 1667730.

Almost surely, 280049912 is an apocalyptic number.

It is an amenable number.

80049912 is an abundant number, since it is smaller than the sum of its proper divisors (120074928).

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

80049912 is a wasteful number, since it uses less digits than its factorization.

80049912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335422 (or 3335418 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 80049912 is about 8947.0616405611. The cubic root of 80049912 is about 430.9765294971.

The spelling of 80049912 in words is "eighty million, forty-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 3335413 6670826 10006239 13341652 20012478 26683304 40024956 80049912