Base | Representation |
---|---|
bin | 1001100011111… |
… | …01010010101100 |
3 | 12120220211112112 |
4 | 10301331102230 |
5 | 131013024342 |
6 | 11543023152 |
7 | 1662505511 |
oct | 461752254 |
9 | 176824475 |
10 | 80204972 |
11 | 41301201 |
12 | 22a3aab8 |
13 | 13802783 |
14 | a91b308 |
15 | 7094682 |
hex | 4c7d4ac |
80204972 has 6 divisors (see below), whose sum is σ = 140358708. Its totient is φ = 40102484.
The previous prime is 80204959. The next prime is 80204977. The reversal of 80204972 is 27940208.
It is not an unprimeable number, because it can be changed into a prime (80204977) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025618 + ... + 10025625.
It is an arithmetic number, because the mean of its divisors is an integer number (23393118).
Almost surely, 280204972 is an apocalyptic number.
It is an amenable number.
80204972 is a deficient number, since it is larger than the sum of its proper divisors (60153736).
80204972 is a wasteful number, since it uses less digits than its factorization.
80204972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20051247 (or 20051245 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 80204972 is about 8955.7228630636. The cubic root of 80204972 is about 431.2546231528.
The spelling of 80204972 in words is "eighty million, two hundred four thousand, nine hundred seventy-two".
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