Base | Representation |
---|---|
bin | 1000100111111101… |
… | …1010100000100000 |
3 | 12222100021101020102 |
4 | 2021333122200200 |
5 | 14220131232430 |
6 | 1021420401532 |
7 | 111241021133 |
oct | 21177324040 |
9 | 5870241212 |
10 | 2315102240 |
11 | a888a6640 |
12 | 5473a62a8 |
13 | 2ab8321a9 |
14 | 17d68021a |
15 | d83a6345 |
hex | 89fda820 |
2315102240 has 48 divisors (see below), whose sum is σ = 5966654400. Its totient is φ = 841854720.
The previous prime is 2315102221. The next prime is 2315102261. The reversal of 2315102240 is 422015132.
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 655940 + ... + 659459.
It is an arithmetic number, because the mean of its divisors is an integer number (124305300).
Almost surely, 22315102240 is an apocalyptic number.
2315102240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2315102240 is an abundant number, since it is smaller than the sum of its proper divisors (3651552160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2315102240 is a wasteful number, since it uses less digits than its factorization.
2315102240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1315425 (or 1315417 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 2315102240 is about 48115.5093498967. The cubic root of 2315102240 is about 1322.8889587925. Note that the first 3 decimals are identical.
Adding to 2315102240 its reverse (422015132), we get a palindrome (2737117372).
The spelling of 2315102240 in words is "two billion, three hundred fifteen million, one hundred two thousand, two hundred forty".
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