Base | Representation |
---|---|
bin | 1000011110100100… |
… | …1011110011001000 |
3 | 12212121011120111110 |
4 | 2013221023303020 |
5 | 14130041023032 |
6 | 1013452330320 |
7 | 110252206221 |
oct | 20751136310 |
9 | 5777146443 |
10 | 2275720392 |
11 | a68648460 |
12 | 5361739a0 |
13 | 2a3623b1a |
14 | 17834c248 |
15 | d4bc77cc |
hex | 87a4bcc8 |
2275720392 has 64 divisors (see below), whose sum is σ = 6299193600. Its totient is φ = 679314240.
The previous prime is 2275720387. The next prime is 2275720411. The reversal of 2275720392 is 2930275722.
It is a self number, because there is not a number n which added to its sum of digits gives 2275720392.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46642 + ... + 82017.
It is an arithmetic number, because the mean of its divisors is an integer number (98424900).
Almost surely, 22275720392 is an apocalyptic number.
2275720392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2275720392 is an abundant number, since it is smaller than the sum of its proper divisors (4023473208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2275720392 is a wasteful number, since it uses less digits than its factorization.
2275720392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128746 (or 128742 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 39.
The square root of 2275720392 is about 47704.5112332157. The cubic root of 2275720392 is about 1315.3448650451.
The spelling of 2275720392 in words is "two billion, two hundred seventy-five million, seven hundred twenty thousand, three hundred ninety-two".
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