Base | Representation |
---|---|
bin | 1101110100001… |
… | …0111010010001 |
3 | 11001000221121201 |
4 | 3131002322101 |
5 | 104313230440 |
6 | 5425551201 |
7 | 1302350014 |
oct | 335027221 |
9 | 131027551 |
10 | 57945745 |
11 | 2a788550 |
12 | 174a5501 |
13 | c00ac30 |
14 | 79a537b |
15 | 514919a |
hex | 3742e91 |
57945745 has 16 divisors (see below), whose sum is σ = 81692352. Its totient is φ = 38900160.
The previous prime is 57945733. The next prime is 57945757. The reversal of 57945745 is 54754975.
57945745 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 (57945733) and next prime (57945757).
It is not a de Polignac number, because 57945745 - 27 = 57945617 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57945695 and 57945704.
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 15 ways as a sum of consecutive naturals, for example, 39807 + ... + 41236.
It is an arithmetic number, because the mean of its divisors is an integer number (5105772).
Almost surely, 257945745 is an apocalyptic number.
57945745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57945745 is a deficient number, since it is larger than the sum of its proper divisors (23746607).
57945745 is a wasteful number, since it uses less digits than its factorization.
57945745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81072.
The product of its digits is 882000, while the sum is 46.
The square root of 57945745 is about 7612.2102572118. The cubic root of 57945745 is about 386.9669284703.
The spelling of 57945745 in words is "fifty-seven million, nine hundred forty-five thousand, seven hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •