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57054478 = 2132194403
BaseRepresentation
bin1101100110100…
…1010100001110
310222100200000211
43121221110032
5104101220403
65354513034
71261645405
oct331512416
9128320024
1057054478
112a229968
121713577a
13ba88360
14781263c
15502006d
hex366950e

57054478 has 8 divisors (see below), whose sum is σ = 92164968. Its totient is φ = 26332824.

The previous prime is 57054469. The next prime is 57054497. The reversal of 57054478 is 87445075.

57054478 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 57054478.

It is a congruent number.

It is an unprimeable number.

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, 1097176 + ... + 1097227.

It is an arithmetic number, because the mean of its divisors is an integer number (11520621).

Almost surely, 257054478 is an apocalyptic number.

57054478 is a deficient number, since it is larger than the sum of its proper divisors (35110490).

57054478 is a wasteful number, since it uses less digits than its factorization.

57054478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194418.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 57054478 is about 7553.4414673048. The cubic root of 57054478 is about 384.9726814821.

The spelling of 57054478 in words is "fifty-seven million, fifty-four thousand, four hundred seventy-eight".

Divisors: 1 2 13 26 2194403 4388806 28527239 57054478