Base | Representation |
---|---|
bin | 1000101010110… |
… | …00111001100100 |
3 | 12001211100102121 |
4 | 10111120321210 |
5 | 122103402001 |
6 | 11114315324 |
7 | 1542034432 |
oct | 425307144 |
9 | 161740377 |
10 | 72715876 |
11 | 38056572 |
12 | 20428b44 |
13 | 120aca5c |
14 | 992bd52 |
15 | 65b56a1 |
hex | 4558e64 |
72715876 has 12 divisors (see below), whose sum is σ = 131641020. Its totient is φ = 35104160.
The previous prime is 72715849. The next prime is 72715883. The reversal of 72715876 is 67851727.
It can be written as a sum of positive squares in 2 ways, for example, as 53144100 + 19571776 = 7290^2 + 4424^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313315 + ... + 313546.
It is an arithmetic number, because the mean of its divisors is an integer number (10970085).
Almost surely, 272715876 is an apocalyptic number.
It is an amenable number.
72715876 is a deficient number, since it is larger than the sum of its proper divisors (58925144).
72715876 is a wasteful number, since it uses less digits than its factorization.
72715876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626894 (or 626892 counting only the distinct ones).
The product of its digits is 164640, while the sum is 43.
The square root of 72715876 is about 8527.3604356800. The cubic root of 72715876 is about 417.3909997878.
The spelling of 72715876 in words is "seventy-two million, seven hundred fifteen thousand, eight hundred seventy-six".
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