Base | Representation |
---|---|
bin | 101011010000101… |
… | …010111001000100 |
3 | 1212120200222002100 |
4 | 223100222321010 |
5 | 2441300242101 |
6 | 200004112100 |
7 | 23662054431 |
oct | 5320527104 |
9 | 1776628070 |
10 | 725790276 |
11 | 342764a82 |
12 | 183095630 |
13 | b749c203 |
14 | 6c56cb88 |
15 | 43ab8e86 |
hex | 2b42ae44 |
725790276 has 36 divisors (see below), whose sum is σ = 1846336492. Its totient is φ = 240387264.
The previous prime is 725790251. The next prime is 725790281. The reversal of 725790276 is 672097527.
725790276 is a `hidden beast` number, since 7 + 2 + 579 + 0 + 2 + 76 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 350438400 + 375351876 = 18720^2 + 19374^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58555 + ... + 69858.
Almost surely, 2725790276 is an apocalyptic number.
It is an amenable number.
725790276 is an abundant number, since it is smaller than the sum of its proper divisors (1120546216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
725790276 is a wasteful number, since it uses less digits than its factorization.
725790276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128580 (or 128575 counting only the distinct ones).
The product of its (nonzero) digits is 370440, while the sum is 45.
The square root of 725790276 is about 26940.4950956734. The cubic root of 725790276 is about 898.6771826053.
The spelling of 725790276 in words is "seven hundred twenty-five million, seven hundred ninety thousand, two hundred seventy-six".
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