Base | Representation |
---|---|
bin | 101011010000001… |
… | …000111000010000 |
3 | 1212120102212222111 |
4 | 223100020320100 |
5 | 2441231312320 |
6 | 200001115104 |
7 | 23660634316 |
oct | 5320107020 |
9 | 1776385874 |
10 | 725650960 |
11 | 34267a341 |
12 | 183028a94 |
13 | b7450988 |
14 | 6c5340b6 |
15 | 43a8ca5a |
hex | 2b408e10 |
725650960 has 20 divisors (see below), whose sum is σ = 1687138668. Its totient is φ = 290260352.
The previous prime is 725650873. The next prime is 725650987. The reversal of 725650960 is 69056527.
It can be written as a sum of positive squares in 2 ways, for example, as 179774464 + 545876496 = 13408^2 + 23364^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 4535239 + ... + 4535398.
Almost surely, 2725650960 is an apocalyptic number.
It is an amenable number.
725650960 is an abundant number, since it is smaller than the sum of its proper divisors (961487708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725650960 is a wasteful number, since it uses less digits than its factorization.
725650960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9070650 (or 9070644 counting only the distinct ones).
The product of its (nonzero) digits is 113400, while the sum is 40.
The square root of 725650960 is about 26937.9093472378. The cubic root of 725650960 is about 898.6196783344.
The spelling of 725650960 in words is "seven hundred twenty-five million, six hundred fifty thousand, nine hundred sixty".
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