Search a number
-
+
108090169 = 119826379
BaseRepresentation
bin1100111000101…
…01001100111001
321112101112211121
412130111030321
5210132341134
614420425241
72451515455
oct634251471
9245345747
10108090169
1156017820
1230248221
1319516ca5
14104d9665
159751ab4
hex6715339

108090169 has 4 divisors (see below), whose sum is σ = 117916560. Its totient is φ = 98263780.

The previous prime is 108090167. The next prime is 108090181. The reversal of 108090169 is 961090801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 108090169 - 21 = 108090167 is a prime.

It is a super-2 number, since 2×1080901692 = 23366969268897122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108090167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913179 + ... + 4913200.

It is an arithmetic number, because the mean of its divisors is an integer number (29479140).

Almost surely, 2108090169 is an apocalyptic number.

It is an amenable number.

108090169 is a deficient number, since it is larger than the sum of its proper divisors (9826391).

108090169 is an equidigital number, since it uses as much as digits as its factorization.

108090169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826390.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 108090169 is about 10396.6421983254. The cubic root of 108090169 is about 476.3528105439.

The spelling of 108090169 in words is "one hundred eight million, ninety thousand, one hundred sixty-nine".

Divisors: 1 11 9826379 108090169