Base | Representation |
---|---|
bin | 11011100100011… |
… | …10000000110001 |
3 | 121010011122121100 |
4 | 31302032000301 |
5 | 433201042101 |
6 | 34540515013 |
7 | 5505514620 |
oct | 1562160061 |
9 | 533148540 |
10 | 231268401 |
11 | 1095aa411 |
12 | 6554ba69 |
13 | 38bb4710 |
14 | 22a016b7 |
15 | 15483e86 |
hex | dc8e031 |
231268401 has 48 divisors (see below), whose sum is σ = 424453120. Its totient is φ = 118039680.
The previous prime is 231268393. The next prime is 231268403. The reversal of 231268401 is 104862132.
231268401 is a `hidden beast` number, since 231 + 26 + 8 + 401 = 666.
It is not a de Polignac number, because 231268401 - 23 = 231268393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231268403) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20835 + ... + 29943.
Almost surely, 2231268401 is an apocalyptic number.
231268401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
231268401 is a deficient number, since it is larger than the sum of its proper divisors (193184719).
231268401 is a wasteful number, since it uses less digits than its factorization.
231268401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9166 (or 9163 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 231268401 is about 15207.5113348634. The cubic root of 231268401 is about 613.8167930870.
The spelling of 231268401 in words is "two hundred thirty-one million, two hundred sixty-eight thousand, four hundred one".
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