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57049333 = 115186303
BaseRepresentation
bin1101100110100…
…0000011110101
310222100101222021
43121220003311
5104101034313
65354433141
71261624405
oct331500365
9128311867
1057049333
112a226010
12171327b1
13ba85c03
147810805
15501d78d
hex36680f5

57049333 has 4 divisors (see below), whose sum is σ = 62235648. Its totient is φ = 51863020.

The previous prime is 57049319. The next prime is 57049357. The reversal of 57049333 is 33394075.

57049333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-57049333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57049313) 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, 2593141 + ... + 2593162.

It is an arithmetic number, because the mean of its divisors is an integer number (15558912).

Almost surely, 257049333 is an apocalyptic number.

It is an amenable number.

57049333 is a deficient number, since it is larger than the sum of its proper divisors (5186315).

57049333 is a wasteful number, since it uses less digits than its factorization.

57049333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186314.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 57049333 is about 7553.1008863910. The cubic root of 57049333 is about 384.9611092441.

The spelling of 57049333 in words is "fifty-seven million, forty-nine thousand, three hundred thirty-three".

Divisors: 1 11 5186303 57049333