Base | Representation |
---|---|
bin | 1001101000011… |
… | …10110011001100 |
3 | 12122001010002121 |
4 | 10310032303030 |
5 | 131141112342 |
6 | 12003502324 |
7 | 2000540230 |
oct | 464166314 |
9 | 178033077 |
10 | 80800972 |
11 | 41678a6a |
12 | 230879a4 |
13 | 13980b35 |
14 | aa345c0 |
15 | 7161067 |
hex | 4d0eccc |
80800972 has 36 divisors (see below), whose sum is σ = 164585680. Its totient is φ = 34000992.
The previous prime is 80800969. The next prime is 80800981. The reversal of 80800972 is 27900808.
It is a happy number.
It is a super-2 number, since 2×808009722 = 13057594152289568, 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 11 ways as a sum of consecutive naturals, for example, 97054 + ... + 97882.
Almost surely, 280800972 is an apocalyptic number.
It is an amenable number.
80800972 is an abundant number, since it is smaller than the sum of its proper divisors (83784708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80800972 is a wasteful number, since it uses less digits than its factorization.
80800972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958 (or 897 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 80800972 is about 8988.9360883255. The cubic root of 80800972 is about 432.3202001363.
The spelling of 80800972 in words is "eighty million, eight hundred thousand, nine hundred seventy-two".
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