Search a number
-
+
57814554 = 2371917207
BaseRepresentation
bin1101110010001…
…0111000011010
311000210021122210
43130202320122
5104300031204
65423055550
71301262360
oct334427032
9130707583
1057814554
112a6a8a26
12174415b6
13bc932c5
14796d630
155120389
hex3722e1a

57814554 has 32 divisors (see below), whose sum is σ = 132857856. Its totient is φ = 16429680.

The previous prime is 57814553. The next prime is 57814567. The reversal of 57814554 is 45541875.

57814554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57814553) 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 15 ways as a sum of consecutive naturals, for example, 4419 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (4151808).

Almost surely, 257814554 is an apocalyptic number.

57814554 is an abundant number, since it is smaller than the sum of its proper divisors (75043302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57814554 is a wasteful number, since it uses less digits than its factorization.

57814554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410.

The product of its digits is 112000, while the sum is 39.

The square root of 57814554 is about 7603.5882318811. The cubic root of 57814554 is about 386.6746726774.

The spelling of 57814554 in words is "fifty-seven million, eight hundred fourteen thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 191 382 573 1146 1337 2674 4011 7207 8022 14414 21621 43242 50449 100898 151347 302694 1376537 2753074 4129611 8259222 9635759 19271518 28907277 57814554