Base | Representation |
---|---|
bin | 1101110010000… |
… | …0101001010010 |
3 | 11000202211002112 |
4 | 3130200221102 |
5 | 104244233034 |
6 | 5422545322 |
7 | 1301223563 |
oct | 334405122 |
9 | 130684075 |
10 | 57805394 |
11 | 2a6a2059 |
12 | 17438242 |
13 | bc8c09a |
14 | 796a16a |
15 | 511c7ce |
hex | 3720a52 |
57805394 has 16 divisors (see below), whose sum is σ = 92406528. Its totient is φ = 27056832.
The previous prime is 57805357. The next prime is 57805399. The reversal of 57805394 is 49350875.
It is not an unprimeable number, because it can be changed into a prime (57805399) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11207 + ... + 15530.
It is an arithmetic number, because the mean of its divisors is an integer number (5775408).
Almost surely, 257805394 is an apocalyptic number.
57805394 is a deficient number, since it is larger than the sum of its proper divisors (34601134).
57805394 is a wasteful number, since it uses less digits than its factorization.
57805394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26809.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 57805394 is about 7602.9858608313. The cubic root of 57805394 is about 386.6542503279.
The spelling of 57805394 in words is "fifty-seven million, eight hundred five thousand, three hundred ninety-four".
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