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57054254 = 2142919963
BaseRepresentation
bin1101100110100…
…1010000101110
310222100122201112
43121221100232
5104101214004
65354512022
71261644635
oct331512056
9128318645
1057054254
112a229784
1217135612
13ba8821a
14781251c
15501ee6e
hex366942e

57054254 has 8 divisors (see below), whose sum is σ = 85645560. Its totient is φ = 28505736.

The previous prime is 57054253. The next prime is 57054269. The reversal of 57054254 is 45245075.

57054254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57054254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57054253) 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, 7124 + ... + 12839.

It is an arithmetic number, because the mean of its divisors is an integer number (10705695).

Almost surely, 257054254 is an apocalyptic number.

57054254 is a deficient number, since it is larger than the sum of its proper divisors (28591306).

57054254 is a wasteful number, since it uses less digits than its factorization.

57054254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 57054254 is about 7553.4266396120. The cubic root of 57054254 is about 384.9721776712.

The spelling of 57054254 in words is "fifty-seven million, fifty-four thousand, two hundred fifty-four".

Divisors: 1 2 1429 2858 19963 39926 28527127 57054254