Base | Representation |
---|---|
bin | 11110110010110100001000 |
3 | 120012010022212 |
4 | 132302310020 |
5 | 4031304311 |
6 | 445004252 |
7 | 125420600 |
oct | 36626410 |
9 | 16163285 |
10 | 8072456 |
11 | 4613a57 |
12 | 2853688 |
13 | 1898402 |
14 | 1101c00 |
15 | a96c8b |
hex | 7b2d08 |
8072456 has 24 divisors (see below), whose sum is σ = 17607870. Its totient is φ = 3459456.
The previous prime is 8072453. The next prime is 8072461. The reversal of 8072456 is 6542708.
It can be written as a sum of positive squares in only one way, i.e., 4708900 + 3363556 = 2170^2 + 1834^2 .
It is not an unprimeable number, because it can be changed into a prime (8072453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9905 + ... + 10688.
Almost surely, 28072456 is an apocalyptic number.
It is an amenable number.
8072456 is an abundant number, since it is smaller than the sum of its proper divisors (9535414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8072456 is a wasteful number, since it uses less digits than its factorization.
8072456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20613 (or 20602 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 8072456 is about 2841.2067858570. The cubic root of 8072456 is about 200.6019862449.
The spelling of 8072456 in words is "eight million, seventy-two thousand, four hundred fifty-six".
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