Base | Representation |
---|---|
bin | 1101100111011… |
… | …0101010110010 |
3 | 10222110110001110 |
4 | 3121312222302 |
5 | 104104443140 |
6 | 5400014150 |
7 | 1262264016 |
oct | 331665262 |
9 | 128413043 |
10 | 57109170 |
11 | 2a266a68 |
12 | 17161356 |
13 | baa7211 |
14 | 7828546 |
15 | 5031380 |
hex | 3676ab2 |
57109170 has 16 divisors (see below), whose sum is σ = 137062080. Its totient is φ = 15229104.
The previous prime is 57109153. The next prime is 57109177. The reversal of 57109170 is 7190175.
It is a super-2 number, since 2×571091702 = 6522914596177800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1903639 = 57109170 / (5 + 7 + 1 + 0 + 9 + 1 + 7 + 0).
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (57109177) 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, 951790 + ... + 951849.
It is an arithmetic number, because the mean of its divisors is an integer number (8566380).
Almost surely, 257109170 is an apocalyptic number.
57109170 is an abundant number, since it is smaller than the sum of its proper divisors (79952910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57109170 is a wasteful number, since it uses less digits than its factorization.
57109170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1903649.
The product of its (nonzero) digits is 2205, while the sum is 30.
The square root of 57109170 is about 7557.0609366340. The cubic root of 57109170 is about 385.0956528509.
The spelling of 57109170 in words is "fifty-seven million, one hundred nine thousand, one hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •