Base | Representation |
---|---|
bin | 1000101000000000… |
… | …1110011011111100 |
3 | 12222100200012000012 |
4 | 2022000032123330 |
5 | 14220210034230 |
6 | 1021425122352 |
7 | 111242565221 |
oct | 21200163374 |
9 | 5870605005 |
10 | 2315314940 |
11 | a88a31424 |
12 | 5474893b8 |
13 | 2ab8a7c53 |
14 | 17d6d7948 |
15 | d83e9395 |
hex | 8a00e6fc |
2315314940 has 24 divisors (see below), whose sum is σ = 4965613632. Its totient is φ = 906420800.
The previous prime is 2315314931. The next prime is 2315314943. The reversal of 2315314940 is 494135132.
It is a junction number, because it is equal to n+sod(n) for n = 2315314897 and 2315314906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2315314943) 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, 1230611 + ... + 1232490.
It is an arithmetic number, because the mean of its divisors is an integer number (206900568).
Almost surely, 22315314940 is an apocalyptic number.
2315314940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2315314940 is an abundant number, since it is smaller than the sum of its proper divisors (2650298692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2315314940 is a wasteful number, since it uses less digits than its factorization.
2315314940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2463157 (or 2463155 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 2315314940 is about 48117.7196051517. The cubic root of 2315314940 is about 1322.9294710227.
The spelling of 2315314940 in words is "two billion, three hundred fifteen million, three hundred fourteen thousand, nine hundred forty".
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