| Base | Representation |
|---|---|
| bin | 101011010001010… |
| … | …011001111100000 |
| 3 | 1212121000100210200 |
| 4 | 223101103033200 |
| 5 | 2441321034202 |
| 6 | 200011425200 |
| 7 | 23663343330 |
| oct | 5321231740 |
| 9 | 1777010720 |
| 10 | 725955552 |
| 11 | 342868173 |
| 12 | 183155200 |
| 13 | b75294ca |
| 14 | 6c5b30c0 |
| 15 | 43aece1c |
| hex | 2b4533e0 |
725955552 has 144 divisors (see below), whose sum is σ = 2369334240. Its totient is φ = 206539776.
The previous prime is 725955533. The next prime is 725955557. The reversal of 725955552 is 255559527.
It is a happy number.
725955552 is a `hidden beast` number, since 7 + 2 + 5 + 95 + 5 + 552 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×7259555522 = 1054022926959249408, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 725955498 and 725955507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (725955557) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590074 + ... + 591302.
It is an arithmetic number, because the mean of its divisors is an integer number (16453710).
Almost surely, 2725955552 is an apocalyptic number.
725955552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 725955552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184667120).
725955552 is an abundant number, since it is smaller than the sum of its proper divisors (1643378688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725955552 is a wasteful number, since it uses less digits than its factorization.
725955552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1545 (or 1534 counting only the distinct ones).
The product of its digits is 787500, while the sum is 45.
The square root of 725955552 is about 26943.5623479895. The cubic root of 725955552 is about 898.7453926204.
The spelling of 725955552 in words is "seven hundred twenty-five million, nine hundred fifty-five thousand, five hundred fifty-two".
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