Search a number
-
+
57194771 is a prime number
BaseRepresentation
bin1101101000101…
…1100100010011
310222121210110212
43122023210103
5104120213041
65401514335
71263101414
oct332134423
9128553425
1057194771
112a315307
12171a29ab
13bb0717a
14784b80b
15504b8eb
hex368b913

57194771 has 2 divisors, whose sum is σ = 57194772. Its totient is φ = 57194770.

The previous prime is 57194729. The next prime is 57194801. The reversal of 57194771 is 17749175.

57194771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57194771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57194671) 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 as a sum of consecutive naturals, namely, 28597385 + 28597386.

It is an arithmetic number, because the mean of its divisors is an integer number (28597386).

Almost surely, 257194771 is an apocalyptic number.

57194771 is a deficient number, since it is larger than the sum of its proper divisors (1).

57194771 is an equidigital number, since it uses as much as digits as its factorization.

57194771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 41.

The square root of 57194771 is about 7562.7224595380. The cubic root of 57194771 is about 385.2879635690.

The spelling of 57194771 in words is "fifty-seven million, one hundred ninety-four thousand, seven hundred seventy-one".