Base | Representation |
---|---|
bin | 11011011111000… |
… | …00011110000001 |
3 | 121001211112112020 |
4 | 31233200132001 |
5 | 433010320234 |
6 | 34513352053 |
7 | 5466464334 |
oct | 1557403601 |
9 | 531745466 |
10 | 230557569 |
11 | 109164350 |
12 | 65268629 |
13 | 389c5cc8 |
14 | 2289861b |
15 | 15393549 |
hex | dbe0781 |
230557569 has 32 divisors (see below), whose sum is σ = 350438400. Its totient is φ = 133546560.
The previous prime is 230557559. The next prime is 230557597. The reversal of 230557569 is 965755032.
230557569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 230557569 - 27 = 230557441 is a prime.
It is a super-2 number, since 2×2305575692 = 106313585246379522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 230557569.
It is not an unprimeable number, because it can be changed into a prime (230557559) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97402 + ... + 99740.
It is an arithmetic number, because the mean of its divisors is an integer number (10951200).
Almost surely, 2230557569 is an apocalyptic number.
230557569 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
230557569 is a deficient number, since it is larger than the sum of its proper divisors (119880831).
230557569 is a wasteful number, since it uses less digits than its factorization.
230557569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2485.
The product of its (nonzero) digits is 283500, while the sum is 42.
The square root of 230557569 is about 15184.1222663676. The cubic root of 230557569 is about 613.1872670902.
The spelling of 230557569 in words is "two hundred thirty million, five hundred fifty-seven thousand, five hundred sixty-nine".
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