Base | Representation |
---|---|
bin | 101011010000001… |
… | …001011100000000 |
3 | 1212120110000010020 |
4 | 223100021130000 |
5 | 2441231400443 |
6 | 200001133440 |
7 | 23660644065 |
oct | 5320113400 |
9 | 1776400106 |
10 | 725653248 |
11 | 342681031 |
12 | 18302a280 |
13 | b7451a28 |
14 | 6c534c6c |
15 | 43a8d583 |
hex | 2b409700 |
725653248 has 72 divisors (see below), whose sum is σ = 1937123328. Its totient is φ = 241155072.
The previous prime is 725653199. The next prime is 725653249. The reversal of 725653248 is 842356527.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (725653249) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292911 + ... + 295377.
Almost surely, 2725653248 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 725653248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968561664).
725653248 is an abundant number, since it is smaller than the sum of its proper divisors (1211470080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725653248 is a wasteful number, since it uses less digits than its factorization.
725653248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2869 (or 2855 counting only the distinct ones).
The product of its digits is 403200, while the sum is 42.
The square root of 725653248 is about 26937.9518152364. The cubic root of 725653248 is about 898.6206227920.
The spelling of 725653248 in words is "seven hundred twenty-five million, six hundred fifty-three thousand, two hundred forty-eight".
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