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22693423 = 45674969
BaseRepresentation
bin101011010010…
…0011000101111
31120200221112011
41112210120233
521302142143
62130222051
7363614404
oct126443057
946627464
1022693423
111189a9a5
127724927
13491737c
14302a2ab
151ed3e9d
hex15a462f

22693423 has 4 divisors (see below), whose sum is σ = 22702960. Its totient is φ = 22683888.

The previous prime is 22693409. The next prime is 22693471. The reversal of 22693423 is 32439622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32439622 = 216219811.

It is a cyclic number.

It is not a de Polignac number, because 22693423 - 29 = 22692911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22693483) 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 3 ways as a sum of consecutive naturals, for example, 2083 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (5675740).

Almost surely, 222693423 is an apocalyptic number.

22693423 is a deficient number, since it is larger than the sum of its proper divisors (9537).

22693423 is an equidigital number, since it uses as much as digits as its factorization.

22693423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536.

The product of its digits is 15552, while the sum is 31.

The square root of 22693423 is about 4763.7614339931. The cubic root of 22693423 is about 283.1174704922.

The spelling of 22693423 in words is "twenty-two million, six hundred ninety-three thousand, four hundred twenty-three".

Divisors: 1 4567 4969 22693423