Base | Representation |
---|---|
bin | 101011001110100… |
… | …000111010000000 |
3 | 1212112122020210110 |
4 | 223032200322000 |
5 | 2441124200323 |
6 | 155544031320 |
7 | 23654211600 |
oct | 5316407200 |
9 | 1775566713 |
10 | 725225088 |
11 | 342409385 |
12 | 182a62540 |
13 | b7331b93 |
14 | 6c462c00 |
15 | 43a06793 |
hex | 2b3a0e80 |
725225088 has 96 divisors (see below), whose sum is σ = 2240948160. Its totient is φ = 207201792.
The previous prime is 725225071. The next prime is 725225089. The reversal of 725225088 is 880522527.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (725225089) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456 + ... + 38087.
It is an arithmetic number, because the mean of its divisors is an integer number (23343210).
Almost surely, 2725225088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 725225088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120474080).
725225088 is an abundant number, since it is smaller than the sum of its proper divisors (1515723072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725225088 is a wasteful number, since it uses less digits than its factorization.
725225088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38574 (or 38555 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 39.
The square root of 725225088 is about 26930.0034905308. The cubic root of 725225088 is about 898.4438491496.
The spelling of 725225088 in words is "seven hundred twenty-five million, two hundred twenty-five thousand, eighty-eight".
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