Base | Representation |
---|---|
bin | 10110100110101… |
… | …001000110011001 |
3 | 222102120210210120 |
4 | 112212221012121 |
5 | 1234040303234 |
6 | 101344103453 |
7 | 12253250436 |
oct | 2646510631 |
9 | 872523716 |
10 | 379228569 |
11 | 185079045 |
12 | a7004b89 |
13 | 6074b005 |
14 | 38518b8d |
15 | 2345e049 |
hex | 169a9199 |
379228569 has 4 divisors (see below), whose sum is σ = 505638096. Its totient is φ = 252819044.
The previous prime is 379228559. The next prime is 379228579. The reversal of 379228569 is 965822973.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (379228559) and next prime (379228579).
It is a cyclic number.
It is not a de Polignac number, because 379228569 - 27 = 379228441 is a prime.
It is a super-2 number, since 2×3792285692 = 287628615091575522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (379228559) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63204759 + ... + 63204764.
It is an arithmetic number, because the mean of its divisors is an integer number (126409524).
Almost surely, 2379228569 is an apocalyptic number.
It is an amenable number.
379228569 is a deficient number, since it is larger than the sum of its proper divisors (126409527).
379228569 is a wasteful number, since it uses less digits than its factorization.
379228569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126409526.
The product of its digits is 1632960, while the sum is 51.
The square root of 379228569 is about 19473.7918495603. The cubic root of 379228569 is about 723.8251723459.
The spelling of 379228569 in words is "three hundred seventy-nine million, two hundred twenty-eight thousand, five hundred sixty-nine".
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