Base | Representation |
---|---|
bin | 111001000101000… |
… | …0001100100000000 |
3 | 11221110211210021122 |
4 | 1302022001210000 |
5 | 12410244333324 |
6 | 514014011412 |
7 | 65314122200 |
oct | 16212014400 |
9 | 4843753248 |
10 | 1915230464 |
11 | 8a3108aa4 |
12 | 4554a6b68 |
13 | 246a37084 |
14 | 142510400 |
15 | b321aa5e |
hex | 72281900 |
1915230464 has 54 divisors (see below), whose sum is σ = 4447168614. Its totient is φ = 820807680.
The previous prime is 1915230433. The next prime is 1915230511. The reversal of 1915230464 is 4640325191.
It can be written as a sum of positive squares in only one way, i.e., 1811353600 + 103876864 = 42560^2 + 10192^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63797 + ... + 88884.
Almost surely, 21915230464 is an apocalyptic number.
1915230464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1915230464 is an abundant number, since it is smaller than the sum of its proper divisors (2531938150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1915230464 is an equidigital number, since it uses as much as digits as its factorization.
1915230464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152711 (or 152690 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 1915230464 is about 43763.3461243539. The cubic root of 1915230464 is about 1241.8629783588.
The spelling of 1915230464 in words is "one billion, nine hundred fifteen million, two hundred thirty thousand, four hundred sixty-four".
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