Search a number
-
+
57138119 = 130743717
BaseRepresentation
bin1101100111110…
…1101111000111
310222111220202122
43121331233013
5104111404434
65400400155
71262444303
oct331755707
9128456678
1057138119
112a286795
121717605b
13bab744c
147834d03
155039c2e
hex367dbc7

57138119 has 4 divisors (see below), whose sum is σ = 57183144. Its totient is φ = 57093096.

The previous prime is 57138097. The next prime is 57138121. The reversal of 57138119 is 91183175.

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 57138119 - 216 = 57072583 is a prime.

It is a super-2 number, since 2×571381192 = 6529529285716322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57138199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20552 + ... + 23165.

It is an arithmetic number, because the mean of its divisors is an integer number (14295786).

Almost surely, 257138119 is an apocalyptic number.

57138119 is a deficient number, since it is larger than the sum of its proper divisors (45025).

57138119 is a wasteful number, since it uses less digits than its factorization.

57138119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45024.

The product of its digits is 7560, while the sum is 35.

The square root of 57138119 is about 7558.9760549958. The cubic root of 57138119 is about 385.1607110012.

The spelling of 57138119 in words is "fifty-seven million, one hundred thirty-eight thousand, one hundred nineteen".

Divisors: 1 1307 43717 57138119