Base | Representation |
---|---|
bin | 11011100110100… |
… | …00100100100000 |
3 | 121010200111120111 |
4 | 31303100210200 |
5 | 433233303044 |
6 | 34550421104 |
7 | 5511031501 |
oct | 1563204440 |
9 | 533614514 |
10 | 231541024 |
11 | 109776220 |
12 | 65661794 |
13 | 38c7b830 |
14 | 22a72ba8 |
15 | 154d9b34 |
hex | dcd0920 |
231541024 has 48 divisors (see below), whose sum is σ = 535550400. Its totient is φ = 97148160.
The previous prime is 231541007. The next prime is 231541027. The reversal of 231541024 is 420145132.
It is a super-2 number, since 2×2315410242 = 107222491589937152, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 231540986 and 231541004.
It is not an unprimeable number, because it can be changed into a prime (231541027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20724 + ... + 29875.
It is an arithmetic number, because the mean of its divisors is an integer number (11157300).
Almost surely, 2231541024 is an apocalyptic number.
It is an amenable number.
231541024 is an abundant number, since it is smaller than the sum of its proper divisors (304009376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231541024 is a wasteful number, since it uses less digits than its factorization.
231541024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50633 (or 50625 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 231541024 is about 15216.4721272705. The cubic root of 231541024 is about 614.0578908234.
Adding to 231541024 its reverse (420145132), we get a palindrome (651686156).
The spelling of 231541024 in words is "two hundred thirty-one million, five hundred forty-one thousand, twenty-four".
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