Base | Representation |
---|---|
bin | 1101110011000… |
… | …0111001100100 |
3 | 11000220012102101 |
4 | 3130300321210 |
5 | 104303400342 |
6 | 5424221444 |
7 | 1301621644 |
oct | 334607144 |
9 | 130805371 |
10 | 57871972 |
11 | 2a738084 |
12 | 1746a884 |
13 | bcb3492 |
14 | 7986524 |
15 | 51323b7 |
hex | 3730e64 |
57871972 has 12 divisors (see below), whose sum is σ = 103187196. Its totient is φ = 28389920.
The previous prime is 57871969. The next prime is 57871973. The reversal of 57871972 is 27917875.
57871972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 42693156 + 15178816 = 6534^2 + 3896^2 .
It is not an unprimeable number, because it can be changed into a prime (57871973) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 136279 + ... + 136702.
It is an arithmetic number, because the mean of its divisors is an integer number (8598933).
Almost surely, 257871972 is an apocalyptic number.
It is an amenable number.
57871972 is a deficient number, since it is larger than the sum of its proper divisors (45315224).
57871972 is a wasteful number, since it uses less digits than its factorization.
57871972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273038 (or 273036 counting only the distinct ones).
The product of its digits is 246960, while the sum is 46.
The square root of 57871972 is about 7607.3630122402. The cubic root of 57871972 is about 386.8026378058.
The spelling of 57871972 in words is "fifty-seven million, eight hundred seventy-one thousand, nine hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •