Base | Representation |
---|---|
bin | 11111100111100… |
… | …01100110000000 |
3 | 200111002010011000 |
4 | 33303301212000 |
5 | 1020344340340 |
6 | 42152452000 |
7 | 6400265256 |
oct | 1763614600 |
9 | 614063130 |
10 | 265230720 |
11 | 126796847 |
12 | 749aa000 |
13 | 42c46071 |
14 | 273225d6 |
15 | 18441d30 |
hex | fcf1980 |
265230720 has 128 divisors (see below), whose sum is σ = 939420000. Its totient is φ = 70723584.
The previous prime is 265230701. The next prime is 265230731. The reversal of 265230720 is 27032562.
265230720 is a `hidden beast` number, since 2 + 652 + 3 + 0 + 7 + 2 + 0 = 666.
265230720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9606 + ... + 24954.
Almost surely, 2265230720 is an apocalyptic number.
265230720 is a gapful number since it is divisible by the number (20) 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 265230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469710000).
265230720 is an abundant number, since it is smaller than the sum of its proper divisors (674189280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
265230720 is a wasteful number, since it uses less digits than its factorization.
265230720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15377 (or 15359 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 265230720 is about 16285.9055627865. The cubic root of 265230720 is about 642.5021837249.
The spelling of 265230720 in words is "two hundred sixty-five million, two hundred thirty thousand, seven hundred twenty".
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