Search a number
-
+
57154103 = 232484961
BaseRepresentation
bin1101101000000…
…1101000110111
310222112201200122
43122001220313
5104112412403
65401002155
71262542016
oct332015067
9128481618
1057154103
112a2977a6
121718335b
13bac17c6
14783aa7d
15503e838
hex3681a37

57154103 has 4 divisors (see below), whose sum is σ = 59639088. Its totient is φ = 54669120.

The previous prime is 57154093. The next prime is 57154117. The reversal of 57154103 is 30145175.

57154103 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.

It is a cyclic number.

It is not a de Polignac number, because 57154103 - 218 = 56891959 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 (57154003) 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, 1242458 + ... + 1242503.

It is an arithmetic number, because the mean of its divisors is an integer number (14909772).

Almost surely, 257154103 is an apocalyptic number.

57154103 is a deficient number, since it is larger than the sum of its proper divisors (2484985).

57154103 is a wasteful number, since it uses less digits than its factorization.

57154103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484984.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 57154103 is about 7560.0332671226. The cubic root of 57154103 is about 385.1966230154.

Adding to 57154103 its reverse (30145175), we get a palindrome (87299278).

The spelling of 57154103 in words is "fifty-seven million, one hundred fifty-four thousand, one hundred three".

Divisors: 1 23 2484961 57154103