Base | Representation |
---|---|
bin | 10111000001111… |
… | …000110111110001 |
3 | 222221000200110011 |
4 | 113001320313301 |
5 | 1242402333212 |
6 | 102201134521 |
7 | 12401046142 |
oct | 2701706761 |
9 | 887020404 |
10 | 386371057 |
11 | 189107326 |
12 | a948a441 |
13 | 6207c037 |
14 | 39457ac9 |
15 | 23dc04a7 |
hex | 17078df1 |
386371057 has 4 divisors (see below), whose sum is σ = 396813556. Its totient is φ = 375928560.
The previous prime is 386371021. The next prime is 386371091. The reversal of 386371057 is 750173683.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 354606561 + 31764496 = 18831^2 + 5636^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-386371057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (386371357) 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, 5221194 + ... + 5221267.
It is an arithmetic number, because the mean of its divisors is an integer number (99203389).
Almost surely, 2386371057 is an apocalyptic number.
386371057 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
386371057 is a deficient number, since it is larger than the sum of its proper divisors (10442499).
386371057 is a wasteful number, since it uses less digits than its factorization.
386371057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10442498.
The product of its (nonzero) digits is 105840, while the sum is 40.
The square root of 386371057 is about 19656.3235880975. The cubic root of 386371057 is about 728.3411742889.
The spelling of 386371057 in words is "three hundred eighty-six million, three hundred seventy-one thousand, fifty-seven".
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