Base | Representation |
---|---|
bin | 101011001110101… |
… | …100001011010100 |
3 | 1212112201121010020 |
4 | 223032230023110 |
5 | 2441132140002 |
6 | 155545025140 |
7 | 23654463306 |
oct | 5316541324 |
9 | 1775647106 |
10 | 725271252 |
11 | 342440032 |
12 | 182a851b0 |
13 | b7349bb4 |
14 | 6c475976 |
15 | 43a152bc |
hex | 2b3ac2d4 |
725271252 has 36 divisors (see below), whose sum is σ = 1708586880. Its totient is φ = 239452304.
The previous prime is 725271233. The next prime is 725271301. The reversal of 725271252 is 252172527.
725271252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134749 + ... + 140027.
Almost surely, 2725271252 is an apocalyptic number.
It is an amenable number.
725271252 is an abundant number, since it is smaller than the sum of its proper divisors (983315628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725271252 is a wasteful number, since it uses less digits than its factorization.
725271252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5500 (or 5391 counting only the distinct ones).
The product of its digits is 19600, while the sum is 33.
The square root of 725271252 is about 26930.8605878089. The cubic root of 725271252 is about 898.4629121424.
The spelling of 725271252 in words is "seven hundred twenty-five million, two hundred seventy-one thousand, two hundred fifty-two".
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