Base | Representation |
---|---|
bin | 1101101010101… |
… | …0000000011100 |
3 | 10222212010111200 |
4 | 3122222000130 |
5 | 104133210302 |
6 | 5404315500 |
7 | 1264131051 |
oct | 332520034 |
9 | 128763450 |
10 | 57319452 |
11 | 2a39aa53 |
12 | 17242b90 |
13 | bb4bb48 |
14 | 7881028 |
15 | 507381c |
hex | 36aa01c |
57319452 has 18 divisors (see below), whose sum is σ = 144890928. Its totient is φ = 19106472.
The previous prime is 57319429. The next prime is 57319453. The reversal of 57319452 is 25491375.
57319452 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1592207 = 57319452 / (5 + 7 + 3 + 1 + 9 + 4 + 5 + 2).
57319452 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57319453) 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 5 ways as a sum of consecutive naturals, for example, 796068 + ... + 796139.
It is an arithmetic number, because the mean of its divisors is an integer number (8049496).
Almost surely, 257319452 is an apocalyptic number.
It is an amenable number.
57319452 is an abundant number, since it is smaller than the sum of its proper divisors (87571476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57319452 is a wasteful number, since it uses less digits than its factorization.
57319452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1592217 (or 1592212 counting only the distinct ones).
The product of its digits is 37800, while the sum is 36.
The square root of 57319452 is about 7570.9611014719. The cubic root of 57319452 is about 385.5677282123.
The spelling of 57319452 in words is "fifty-seven million, three hundred nineteen thousand, four hundred fifty-two".
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