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22464965 = 511339761
BaseRepresentation
bin101010110110…
…0100111000101
31120021100010202
41111230213011
521222334330
62121300245
7361643345
oct125544705
946240122
1022464965
1111754296
127634685
1348673a3
142daad25
151e8b445
hex156c9c5

22464965 has 8 divisors (see below), whose sum is σ = 27197208. Its totient is φ = 17812480.

The previous prime is 22464961. The next prime is 22464983. The reversal of 22464965 is 56946422.

It can be written as a sum of positive squares in 4 ways, for example, as 1387684 + 21077281 = 1178^2 + 4591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22464965 - 22 = 22464961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464961) 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 in 7 ways as a sum of consecutive naturals, for example, 19316 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (3399651).

Almost surely, 222464965 is an apocalyptic number.

It is an amenable number.

22464965 is a deficient number, since it is larger than the sum of its proper divisors (4732243).

22464965 is a wasteful number, since it uses less digits than its factorization.

22464965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39879.

The product of its digits is 103680, while the sum is 38.

The square root of 22464965 is about 4739.7220382634. The cubic root of 22464965 is about 282.1642027784.

The spelling of 22464965 in words is "twenty-two million, four hundred sixty-four thousand, nine hundred sixty-five".

Divisors: 1 5 113 565 39761 198805 4492993 22464965