Base | Representation |
---|---|
bin | 10111010111101… |
… | …101001100010001 |
3 | 1000022210020220010 |
4 | 113113231030101 |
5 | 1300333343020 |
6 | 102523505133 |
7 | 12500466441 |
oct | 2727551421 |
9 | 1008706803 |
10 | 392090385 |
11 | 191363345 |
12 | ab3881a9 |
13 | 6330235b |
14 | 3a106121 |
15 | 2464ede0 |
hex | 175ed311 |
392090385 has 8 divisors (see below), whose sum is σ = 627344640. Its totient is φ = 209114864.
The previous prime is 392090381. The next prime is 392090417. The reversal of 392090385 is 583090293.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 392090385 - 22 = 392090381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (392090381) 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, 13069665 + ... + 13069694.
It is an arithmetic number, because the mean of its divisors is an integer number (78418080).
Almost surely, 2392090385 is an apocalyptic number.
It is an amenable number.
392090385 is a deficient number, since it is larger than the sum of its proper divisors (235254255).
392090385 is a wasteful number, since it uses less digits than its factorization.
392090385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26139367.
The product of its (nonzero) digits is 58320, while the sum is 39.
The square root of 392090385 is about 19801.2723076069. The cubic root of 392090385 is about 731.9173870606.
The spelling of 392090385 in words is "three hundred ninety-two million, ninety thousand, three hundred eighty-five".
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