Base | Representation |
---|---|
bin | 1001101001001… |
… | …11101101000000 |
3 | 12122020022000112 |
4 | 10310213231000 |
5 | 131202343401 |
6 | 12010010452 |
7 | 2001443510 |
oct | 464475500 |
9 | 178208015 |
10 | 80902976 |
11 | 41738670 |
12 | 23116a28 |
13 | 139b83ab |
14 | aa5d840 |
15 | 71813bb |
hex | 4d27b40 |
80902976 has 56 divisors (see below), whose sum is σ = 200168256. Its totient is φ = 31518720.
The previous prime is 80902973. The next prime is 80902981. The reversal of 80902976 is 67920908.
It is a tau number, because it is divible by the number of its divisors (56).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80902973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3281 + ... + 13136.
Almost surely, 280902976 is an apocalyptic number.
It is an amenable number.
80902976 is an abundant number, since it is smaller than the sum of its proper divisors (119265280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80902976 is a wasteful number, since it uses less digits than its factorization.
80902976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16447 (or 16437 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 80902976 is about 8994.6081626717. The cubic root of 80902976 is about 432.5020454980.
The spelling of 80902976 in words is "eighty million, nine hundred two thousand, nine hundred seventy-six".
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