Base | Representation |
---|---|
bin | 101011001111001… |
… | …001011000000000 |
3 | 1212112221200011201 |
4 | 223033021120000 |
5 | 2441200001343 |
6 | 155551350544 |
7 | 23655502060 |
oct | 5317113000 |
9 | 1775850151 |
10 | 725390848 |
11 | 342511976 |
12 | 182b22454 |
13 | b738c470 |
14 | 6c4a73a0 |
15 | 43a3a94d |
hex | 2b3c9600 |
725390848 has 80 divisors (see below), whose sum is σ = 1783948320. Its totient is φ = 286949376.
The previous prime is 725390837. The next prime is 725390879. The reversal of 725390848 is 848093527.
It is a junction number, because it is equal to n+sod(n) for n = 725390798 and 725390807.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38808 + ... + 54376.
It is an arithmetic number, because the mean of its divisors is an integer number (22299354).
Almost surely, 2725390848 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 725390848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891974160).
725390848 is an abundant number, since it is smaller than the sum of its proper divisors (1058557472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725390848 is a wasteful number, since it uses less digits than its factorization.
725390848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15607 (or 15591 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 46.
The square root of 725390848 is about 26933.0809229097. The cubic root of 725390848 is about 898.5122944319.
The spelling of 725390848 in words is "seven hundred twenty-five million, three hundred ninety thousand, eight hundred forty-eight".
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