Search a number
-
+
107126885 = 521425377
BaseRepresentation
bin1100110001010…
…10000001100101
321110120121110102
412120222001211
5204411030020
614344033445
72440364165
oct630520145
9243517412
10107126885
115551a018
122ba62885
131926a6b8
14103285a5
159611475
hex662a065

107126885 has 4 divisors (see below), whose sum is σ = 128552268. Its totient is φ = 85701504.

The previous prime is 107126879. The next prime is 107126941. The reversal of 107126885 is 588621701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588621701 = 599976639.

It can be written as a sum of positive squares in 2 ways, for example, as 75238276 + 31888609 = 8674^2 + 5647^2 .

It is a cyclic number.

It is not a de Polignac number, because 107126885 - 24 = 107126869 is a prime.

It is a super-2 number, since 2×1071268852 = 22952338979606450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10712684 + ... + 10712693.

It is an arithmetic number, because the mean of its divisors is an integer number (32138067).

Almost surely, 2107126885 is an apocalyptic number.

It is an amenable number.

107126885 is a deficient number, since it is larger than the sum of its proper divisors (21425383).

107126885 is an equidigital number, since it uses as much as digits as its factorization.

107126885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21425382.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 107126885 is about 10350.2118335810. The cubic root of 107126885 is about 474.9335234763.

The spelling of 107126885 in words is "one hundred seven million, one hundred twenty-six thousand, eight hundred eighty-five".

Divisors: 1 5 21425377 107126885