Base | Representation |
---|---|
bin | 1000101010110… |
… | …00100110100000 |
3 | 12001211021202102 |
4 | 10111120212200 |
5 | 122103332111 |
6 | 11114305532 |
7 | 1542031040 |
oct | 425304640 |
9 | 161737672 |
10 | 72714656 |
11 | 38055663 |
12 | 204282a8 |
13 | 120ac331 |
14 | 992b720 |
15 | 65b513b |
hex | 45589a0 |
72714656 has 24 divisors (see below), whose sum is σ = 163608480. Its totient is φ = 31163328.
The previous prime is 72714637. The next prime is 72714659. The reversal of 72714656 is 65641727.
It is not an unprimeable number, because it can be changed into a prime (72714659) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162086 + ... + 162533.
It is an arithmetic number, because the mean of its divisors is an integer number (6817020).
Almost surely, 272714656 is an apocalyptic number.
It is an amenable number.
72714656 is an abundant number, since it is smaller than the sum of its proper divisors (90893824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72714656 is a wasteful number, since it uses less digits than its factorization.
72714656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324636 (or 324628 counting only the distinct ones).
The product of its digits is 70560, while the sum is 38.
The square root of 72714656 is about 8527.2889009345. The cubic root of 72714656 is about 417.3886654976.
The spelling of 72714656 in words is "seventy-two million, seven hundred fourteen thousand, six hundred fifty-six".
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