Base | Representation |
---|---|
bin | 11000010100000… |
… | …10111011011111 |
3 | 112012210020120020 |
4 | 30022002323133 |
5 | 404203210111 |
6 | 32123323223 |
7 | 5024426442 |
oct | 1412027337 |
9 | 465706506 |
10 | 203960031 |
11 | a5148210 |
12 | 58380513 |
13 | 33342912 |
14 | 1d133659 |
15 | 12d8c906 |
hex | c282edf |
203960031 has 16 divisors (see below), whose sum is σ = 298316928. Its totient is φ = 122925600.
The previous prime is 203960011. The next prime is 203960039. The reversal of 203960031 is 130069302.
It is not a de Polignac number, because 203960031 - 215 = 203927263 is a prime.
It is a super-2 number, since 2×2039600312 = 83199388491041922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 203959983 and 203960010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203960039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11101 + ... + 23046.
It is an arithmetic number, because the mean of its divisors is an integer number (18644808).
Almost surely, 2203960031 is an apocalyptic number.
203960031 is a deficient number, since it is larger than the sum of its proper divisors (94356897).
203960031 is a wasteful number, since it uses less digits than its factorization.
203960031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34342.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 203960031 is about 14281.4575936772. The cubic root of 203960031 is about 588.6380834055.
The spelling of 203960031 in words is "two hundred three million, nine hundred sixty thousand, thirty-one".
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