[go: up one dir, main page]

Search a number
-
+
57079643 is a prime number
BaseRepresentation
bin1101100110111…
…1011101011011
310222101221112212
43121233131123
5104103022033
65355225335
71262111645
oct331573533
9128357485
1057079643
112a246865
121714824b
13ba9694a
14781b895
155027748
hex366f75b

57079643 has 2 divisors, whose sum is σ = 57079644. Its totient is φ = 57079642.

The previous prime is 57079597. The next prime is 57079651. The reversal of 57079643 is 34697075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57079643 - 26 = 57079579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57079643.

It is not a weakly prime, because it can be changed into another prime (57079663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539821 + 28539822.

It is an arithmetic number, because the mean of its divisors is an integer number (28539822).

Almost surely, 257079643 is an apocalyptic number.

57079643 is a deficient number, since it is larger than the sum of its proper divisors (1).

57079643 is an equidigital number, since it uses as much as digits as its factorization.

57079643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 57079643 is about 7555.1070806442. The cubic root of 57079643 is about 385.0292730876.

The spelling of 57079643 in words is "fifty-seven million, seventy-nine thousand, six hundred forty-three".