Search a number
-
+
105550465 = 521110093
BaseRepresentation
bin1100100101010…
…01001010000001
321100121112000111
412102221022001
5204010103330
614250151321
72421110206
oct622511201
9240545014
10105550465
1154642699
122b422541
1318b37cc7
1410037cad
1593ee32a
hex64a9281

105550465 has 4 divisors (see below), whose sum is σ = 126660564. Its totient is φ = 84440368.

The previous prime is 105550457. The next prime is 105550483. The reversal of 105550465 is 564055501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564055501 = 1035476267.

It can be written as a sum of positive squares in 2 ways, for example, as 39891856 + 65658609 = 6316^2 + 8103^2 .

It is a cyclic number.

It is not a de Polignac number, because 105550465 - 23 = 105550457 is a prime.

It is a super-2 number, since 2×1055504652 = 22281801323432450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555042 + ... + 10555051.

It is an arithmetic number, because the mean of its divisors is an integer number (31665141).

Almost surely, 2105550465 is an apocalyptic number.

It is an amenable number.

105550465 is a deficient number, since it is larger than the sum of its proper divisors (21110099).

105550465 is an equidigital number, since it uses as much as digits as its factorization.

105550465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110098.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 105550465 is about 10273.7755961477. The cubic root of 105550465 is about 472.5923822985.

The spelling of 105550465 in words is "one hundred five million, five hundred fifty thousand, four hundred sixty-five".

Divisors: 1 5 21110093 105550465