Base | Representation |
---|---|
bin | 11111101001101… |
… | …10100000001000 |
3 | 200111121110022122 |
4 | 33310312200020 |
5 | 1020432403333 |
6 | 42202510412 |
7 | 6402552200 |
oct | 1764664010 |
9 | 614543278 |
10 | 265512968 |
11 | 126969906 |
12 | 74b05408 |
13 | 43014686 |
14 | 27397400 |
15 | 1849a798 |
hex | fd36808 |
265512968 has 36 divisors (see below), whose sum is σ = 579820815. Its totient is φ = 113653008.
The previous prime is 265512967. The next prime is 265512983. The reversal of 265512968 is 869215562.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 132756484 + 132756484 = 11522^2 + 11522^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=11522.
It is not an unprimeable number, because it can be changed into a prime (265512967) by changing a digit.
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 8 ways as a sum of consecutive naturals, for example, 322205 + ... + 323027.
Almost surely, 2265512968 is an apocalyptic number.
265512968 is a gapful number since it is divisible by the number (28) 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 265512968
265512968 is an abundant number, since it is smaller than the sum of its proper divisors (314307847).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
265512968 is an frugal number, since it uses more digits than its factorization.
265512968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1666 (or 832 counting only the distinct ones).
The product of its digits is 259200, while the sum is 44.
The square root of 265512968 is about 16294.5686656628. The cubic root of 265512968 is about 642.7300113657.
Multiplying 265512968 by its product of digits (259200), we get a square (68820961305600 = 82958402).
The spelling of 265512968 in words is "two hundred sixty-five million, five hundred twelve thousand, nine hundred sixty-eight".
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