Base | Representation |
---|---|
bin | 1001100110001… |
… | …10000111101000 |
3 | 12121110222201200 |
4 | 10303012013220 |
5 | 131102101042 |
6 | 11553244200 |
7 | 1665160263 |
oct | 463060750 |
9 | 177428650 |
10 | 80503272 |
11 | 41495333 |
12 | 22b63660 |
13 | 138a8495 |
14 | a997cda |
15 | 7102c4c |
hex | 4cc61e8 |
80503272 has 24 divisors (see below), whose sum is σ = 218029890. Its totient is φ = 26834400.
The previous prime is 80503271. The next prime is 80503303. The reversal of 80503272 is 27230508.
It can be written as a sum of positive squares in only one way, i.e., 77898276 + 2604996 = 8826^2 + 1614^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is not an unprimeable number, because it can be changed into a prime (80503271) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558979 + ... + 559122.
Almost surely, 280503272 is an apocalyptic number.
It is an amenable number.
80503272 is an abundant number, since it is smaller than the sum of its proper divisors (137526618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80503272 is a wasteful number, since it uses less digits than its factorization.
80503272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1118113 (or 1118106 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 80503272 is about 8972.3615620415. The cubic root of 80503272 is about 431.7886054209.
The spelling of 80503272 in words is "eighty million, five hundred three thousand, two hundred seventy-two".
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