Base | Representation |
---|---|
bin | 1001100111000… |
… | …11100101100100 |
3 | 12121201010022001 |
4 | 10303203211210 |
5 | 131114431342 |
6 | 12000015044 |
7 | 1666202212 |
oct | 463434544 |
9 | 177633261 |
10 | 80623972 |
11 | 41567a90 |
12 | 23001484 |
13 | 1391b3c0 |
14 | a9c9cb2 |
15 | 71288b7 |
hex | 4ce3964 |
80623972 has 48 divisors (see below), whose sum is σ = 168638400. Its totient is φ = 33240960.
The previous prime is 80623967. The next prime is 80623997. The reversal of 80623972 is 27932608.
It is a super-2 number, since 2×806239722 = 13000449722113568, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32554 + ... + 34942.
It is an arithmetic number, because the mean of its divisors is an integer number (3513300).
Almost surely, 280623972 is an apocalyptic number.
It is an amenable number.
80623972 is an abundant number, since it is smaller than the sum of its proper divisors (88014428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80623972 is a wasteful number, since it uses less digits than its factorization.
80623972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2476 (or 2474 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 80623972 is about 8979.0852540779. The cubic root of 80623972 is about 432.0042937959.
The spelling of 80623972 in words is "eighty million, six hundred twenty-three thousand, nine hundred seventy-two".
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