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23143326 = 2323916139
BaseRepresentation
bin101100001001…
…0001110011110
31121112210200020
41120102032132
521411041301
62144013010
7400500153
oct130221636
947483606
1023143326
1112077a18
127901166
134a4409b
14310622a
152072436
hex161239e

23143326 has 16 divisors (see below), whose sum is σ = 46483200. Its totient is φ = 7681688.

The previous prime is 23143321. The next prime is 23143333. The reversal of 23143326 is 62334132.

It is a super-2 number, since 2×231433262 = 1071227076684552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23143296 and 23143305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6636 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (2905200).

Almost surely, 223143326 is an apocalyptic number.

23143326 is an abundant number, since it is smaller than the sum of its proper divisors (23339874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23143326 is a wasteful number, since it uses less digits than its factorization.

23143326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383.

The product of its digits is 2592, while the sum is 24.

The square root of 23143326 is about 4810.7510848099. The cubic root of 23143326 is about 284.9761999208.

Adding to 23143326 its reverse (62334132), we get a palindrome (85477458).

The spelling of 23143326 in words is "twenty-three million, one hundred forty-three thousand, three hundred twenty-six".

Divisors: 1 2 3 6 239 478 717 1434 16139 32278 48417 96834 3857221 7714442 11571663 23143326