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23241431 = 172359441
BaseRepresentation
bin101100010101…
…0001011010111
31121201210020202
41120222023113
521422211211
62150051115
7401356163
oct130521327
947653222
1023241431
11121346a4
127949a9b
134a79935
14312dca3
15209153b
hex162a2d7

23241431 has 8 divisors (see below), whose sum is σ = 25678944. Its totient is φ = 20922880.

The previous prime is 23241373. The next prime is 23241433. The reversal of 23241431 is 13414232.

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

It is a cyclic number.

It is not a de Polignac number, because 23241431 - 214 = 23225047 is a prime.

It is a super-2 number, since 2×232414312 = 1080328229855522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23241433) 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, 29330 + ... + 30111.

It is an arithmetic number, because the mean of its divisors is an integer number (3209868).

Almost surely, 223241431 is an apocalyptic number.

23241431 is a deficient number, since it is larger than the sum of its proper divisors (2437513).

23241431 is a wasteful number, since it uses less digits than its factorization.

23241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59481.

The product of its digits is 576, while the sum is 20.

The square root of 23241431 is about 4820.9367347021. The cubic root of 23241431 is about 285.3783054582.

Adding to 23241431 its reverse (13414232), we get a palindrome (36655663).

The spelling of 23241431 in words is "twenty-three million, two hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 17 23 391 59441 1010497 1367143 23241431