Base | Representation |
---|---|
bin | 11011100100001… |
… | …11011001101101 |
3 | 121010010021110112 |
4 | 31302013121231 |
5 | 433144210300 |
6 | 34540145405 |
7 | 5505342650 |
oct | 1562073155 |
9 | 533107415 |
10 | 231241325 |
11 | 109591037 |
12 | 65538265 |
13 | 38ba52b3 |
14 | 229d5897 |
15 | 1547ae35 |
hex | dc8766d |
231241325 has 12 divisors (see below), whose sum is σ = 327702240. Its totient is φ = 158565360.
The previous prime is 231241291. The next prime is 231241337. The reversal of 231241325 is 523142132.
It is not a de Polignac number, because 231241325 - 226 = 164132461 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 231241325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660515 + ... + 660864.
It is an arithmetic number, because the mean of its divisors is an integer number (27308520).
Almost surely, 2231241325 is an apocalyptic number.
231241325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
231241325 is a deficient number, since it is larger than the sum of its proper divisors (96460915).
231241325 is a wasteful number, since it uses less digits than its factorization.
231241325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1321396 (or 1321391 counting only the distinct ones).
The product of its digits is 1440, while the sum is 23.
The square root of 231241325 is about 15206.6210908275. The cubic root of 231241325 is about 613.7928377288.
Adding to 231241325 its reverse (523142132), we get a palindrome (754383457).
The spelling of 231241325 in words is "two hundred thirty-one million, two hundred forty-one thousand, three hundred twenty-five".
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