Search a number
-
+
102422057 is a prime number
BaseRepresentation
bin1100001101011…
…01011000101001
321010201120122112
412012231120221
5202210001212
614055132105
72352400403
oct606553051
9233646575
10102422057
11528a6231
122a374035
13182b108a
14d861b73
158ed2422
hex61ad629

102422057 has 2 divisors, whose sum is σ = 102422058. Its totient is φ = 102422056.

The previous prime is 102422017. The next prime is 102422063. The reversal of 102422057 is 750224201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91853056 + 10569001 = 9584^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 102422057 - 226 = 35313193 is a prime.

It is a super-2 number, since 2×1024220572 = 20980555520222498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102422017) 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, 51211028 + 51211029.

It is an arithmetic number, because the mean of its divisors is an integer number (51211029).

Almost surely, 2102422057 is an apocalyptic number.

It is an amenable number.

102422057 is a deficient number, since it is larger than the sum of its proper divisors (1).

102422057 is an equidigital number, since it uses as much as digits as its factorization.

102422057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 102422057 is about 10120.3783032059. The cubic root of 102422057 is about 467.8764268792.

Adding to 102422057 its reverse (750224201), we get a palindrome (852646258).

The spelling of 102422057 in words is "one hundred two million, four hundred twenty-two thousand, fifty-seven".