Search a number
-
+
57954109 is a prime number
BaseRepresentation
bin1101110100010…
…0111100111101
311001001101002111
43131010330331
5104314012414
65430054021
71302413263
oct335047475
9131041074
1057954109
112a793864
12174aa311
13c011995
1479a8433
15514b8c4
hex3744f3d

57954109 has 2 divisors, whose sum is σ = 57954110. Its totient is φ = 57954108.

The previous prime is 57954079. The next prime is 57954119. The reversal of 57954109 is 90145975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 27594009 = 5510^2 + 5253^2 .

It is a cyclic number.

It is not a de Polignac number, because 57954109 - 223 = 49565501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57954119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28977054 + 28977055.

It is an arithmetic number, because the mean of its divisors is an integer number (28977055).

Almost surely, 257954109 is an apocalyptic number.

It is an amenable number.

57954109 is a deficient number, since it is larger than the sum of its proper divisors (1).

57954109 is an equidigital number, since it uses as much as digits as its factorization.

57954109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 57954109 is about 7612.7596179047. The cubic root of 57954109 is about 386.9855460909.

The spelling of 57954109 in words is "fifty-seven million, nine hundred fifty-four thousand, one hundred nine".