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57054741 = 319018247
BaseRepresentation
bin1101100110100…
…1011000010101
310222100200101120
43121221120111
5104101222431
65354514153
71261646232
oct331513025
9128320346
1057054741
112a22a087
1217135959
13ba88503
147812789
155020196
hex3669615

57054741 has 4 divisors (see below), whose sum is σ = 76072992. Its totient is φ = 38036492.

The previous prime is 57054731. The next prime is 57054749. The reversal of 57054741 is 14745075.

57054741 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 cyclic number.

It is not a de Polignac number, because 57054741 - 25 = 57054709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57054749) 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, 9509121 + ... + 9509126.

It is an arithmetic number, because the mean of its divisors is an integer number (19018248).

Almost surely, 257054741 is an apocalyptic number.

It is an amenable number.

57054741 is a deficient number, since it is larger than the sum of its proper divisors (19018251).

57054741 is a wasteful number, since it uses less digits than its factorization.

57054741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018250.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 57054741 is about 7553.4588765677. The cubic root of 57054741 is about 384.9732730083.

The spelling of 57054741 in words is "fifty-seven million, fifty-four thousand, seven hundred forty-one".

Divisors: 1 3 19018247 57054741