Base | Representation |
---|---|
bin | 11011100010110… |
… | …11110001011100 |
3 | 121002210012022211 |
4 | 31301123301130 |
5 | 433123000440 |
6 | 34532250204 |
7 | 5503666645 |
oct | 1561336134 |
9 | 532705284 |
10 | 231062620 |
11 | 109479848 |
12 | 65470964 |
13 | 38b41b59 |
14 | 2298a6cc |
15 | 15442eea |
hex | dc5bc5c |
231062620 has 24 divisors (see below), whose sum is σ = 485712864. Its totient is φ = 92333376.
The previous prime is 231062617. The next prime is 231062627. The reversal of 231062620 is 26260132.
It is a happy number.
It is a super-2 number, since 2×2310626202 = 106779868722528800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231062591 and 231062600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231062627) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17169 + ... + 27511.
It is an arithmetic number, because the mean of its divisors is an integer number (20238036).
Almost surely, 2231062620 is an apocalyptic number.
231062620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231062620 is an abundant number, since it is smaller than the sum of its proper divisors (254650244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231062620 is a wasteful number, since it uses less digits than its factorization.
231062620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11469 (or 11467 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 231062620 is about 15200.7440607360. The cubic root of 231062620 is about 613.6346824379.
The spelling of 231062620 in words is "two hundred thirty-one million, sixty-two thousand, six hundred twenty".
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