Search a number
-
+
105150557 is a prime number
BaseRepresentation
bin1100100010001…
…11100001011101
321022212012110002
412101013201131
5203404304212
614233424045
72414523251
oct621074135
9238765402
10105150557
115439a196
122b26b025
1318a27c85
14dd72261
159370ac2
hex644785d

105150557 has 2 divisors, whose sum is σ = 105150558. Its totient is φ = 105150556.

The previous prime is 105150533. The next prime is 105150571. The reversal of 105150557 is 755051501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 31516996 = 8581^2 + 5614^2 .

It is an emirp because it is prime and its reverse (755051501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105150557 - 220 = 104101981 is a prime.

It is a super-2 number, since 2×1051505572 = 22113279274820498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105150517) 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, 52575278 + 52575279.

It is an arithmetic number, because the mean of its divisors is an integer number (52575279).

Almost surely, 2105150557 is an apocalyptic number.

It is an amenable number.

105150557 is a deficient number, since it is larger than the sum of its proper divisors (1).

105150557 is an equidigital number, since it uses as much as digits as its factorization.

105150557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 105150557 is about 10254.2945637425. The cubic root of 105150557 is about 471.9947766467.

The spelling of 105150557 in words is "one hundred five million, one hundred fifty thousand, five hundred fifty-seven".