Base | Representation |
---|---|
bin | 10110001000111101000 |
3 | 1100212011122 |
4 | 2301013220 |
5 | 141203410 |
6 | 23314412 |
7 | 6111050 |
oct | 2610750 |
9 | 1325148 |
10 | 725480 |
11 | 456078 |
12 | 2aba08 |
13 | 1c52a2 |
14 | 14c560 |
15 | e4e55 |
hex | b11e8 |
725480 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 248640.
The previous prime is 725479. The next prime is 725507. The reversal of 725480 is 84527.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725480.
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, 1016 + ... + 1575.
It is an arithmetic number, because the mean of its divisors is an integer number (58320).
2725480 is an apocalyptic number.
725480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
725480 is an abundant number, since it is smaller than the sum of its proper divisors (1140760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725480 is a wasteful number, since it uses less digits than its factorization.
725480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2609 (or 2605 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 725480 is about 851.7511373635. The cubic root of 725480 is about 89.8549102582.
The spelling of 725480 in words is "seven hundred twenty-five thousand, four hundred eighty".
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