Base | Representation |
---|---|
bin | 1000101000111… |
… | …11001011101010 |
3 | 12001101100010200 |
4 | 10110133023222 |
5 | 122023320331 |
6 | 11105253030 |
7 | 1540031253 |
oct | 424371352 |
9 | 161340120 |
10 | 72479466 |
11 | 37a04994 |
12 | 20334176 |
13 | 12029277 |
14 | 98a9b2a |
15 | 656a5e6 |
hex | 451f2ea |
72479466 has 36 divisors (see below), whose sum is σ = 166831782. Its totient is φ = 22737024.
The previous prime is 72479453. The next prime is 72479489. The reversal of 72479466 is 66497427.
It can be written as a sum of positive squares in 3 ways, for example, as 67322025 + 5157441 = 8205^2 + 2271^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1765 + ... + 12168.
Almost surely, 272479466 is an apocalyptic number.
72479466 is an abundant number, since it is smaller than the sum of its proper divisors (94352316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72479466 is a wasteful number, since it uses less digits than its factorization.
72479466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13975 (or 13955 counting only the distinct ones).
The product of its digits is 508032, while the sum is 45.
The square root of 72479466 is about 8513.4872995735. The cubic root of 72479466 is about 416.9381755384.
The spelling of 72479466 in words is "seventy-two million, four hundred seventy-nine thousand, four hundred sixty-six".
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