Base | Representation |
---|---|
bin | 11011100010110… |
… | …10001110110100 |
3 | 121002202212200001 |
4 | 31301122032310 |
5 | 433122300213 |
6 | 34532201044 |
7 | 5503642360 |
oct | 1561321664 |
9 | 532685601 |
10 | 231056308 |
11 | 10947502a |
12 | 65469184 |
13 | 38b3c012 |
14 | 229882a0 |
15 | 154411dd |
hex | dc5a3b4 |
231056308 has 24 divisors (see below), whose sum is σ = 462456512. Its totient is φ = 98950464.
The previous prime is 231056261. The next prime is 231056317. The reversal of 231056308 is 803650132.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53560 + ... + 57712.
Almost surely, 2231056308 is an apocalyptic number.
231056308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
231056308 is an abundant number, since it is smaller than the sum of its proper divisors (231400204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231056308 is a wasteful number, since it uses less digits than its factorization.
231056308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6151 (or 6149 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 231056308 is about 15200.5364379024. The cubic root of 231056308 is about 613.6290947789.
It can be divided in two parts, 23 and 1056308, that added together give a triangular number (1056331 = T1453).
The spelling of 231056308 in words is "two hundred thirty-one million, fifty-six thousand, three hundred eight".
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