Base | Representation |
---|---|
bin | 1101100111001… |
… | …0010000101110 |
3 | 10222102112021212 |
4 | 3121302100232 |
5 | 104103403433 |
6 | 5355354422 |
7 | 1262160260 |
oct | 331622056 |
9 | 128375255 |
10 | 57091118 |
11 | 2a254447 |
12 | 17152a12 |
13 | ba9bc36 |
14 | 7821b30 |
15 | 502ad48 |
hex | 367242e |
57091118 has 16 divisors (see below), whose sum is σ = 98008704. Its totient is φ = 24433080.
The previous prime is 57091109. The next prime is 57091127. The reversal of 57091118 is 81119075.
57091118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (57091109) and next prime (57091127).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9113 + ... + 14043.
It is an arithmetic number, because the mean of its divisors is an integer number (6125544).
Almost surely, 257091118 is an apocalyptic number.
57091118 is a deficient number, since it is larger than the sum of its proper divisors (40917586).
57091118 is a wasteful number, since it uses less digits than its factorization.
57091118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5767.
The product of its (nonzero) digits is 2520, while the sum is 32.
The square root of 57091118 is about 7555.8664625574. The cubic root of 57091118 is about 385.0550727986.
The spelling of 57091118 in words is "fifty-seven million, ninety-one thousand, one hundred eighteen".
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