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23904434 = 273163729
BaseRepresentation
bin101101100110…
…0000010110010
31122222110201102
41123030002302
522104420214
62212204402
7410120141
oct133140262
948873642
1023904434
1112547834
128009702
134c4c648
143263758
152172bde
hex16cc0b2

23904434 has 8 divisors (see below), whose sum is σ = 36348060. Its totient is φ = 11788416.

The previous prime is 23904409. The next prime is 23904449. The reversal of 23904434 is 43440932.

It can be written as a sum of positive squares in 2 ways, for example, as 23863225 + 41209 = 4885^2 + 203^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23904397 and 23904406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81719 + ... + 82010.

Almost surely, 223904434 is an apocalyptic number.

23904434 is a deficient number, since it is larger than the sum of its proper divisors (12443626).

23904434 is a wasteful number, since it uses less digits than its factorization.

23904434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163804.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 23904434 is about 4889.2160925858. The cubic root of 23904434 is about 288.0665435871.

The spelling of 23904434 in words is "twenty-three million, nine hundred four thousand, four hundred thirty-four".

Divisors: 1 2 73 146 163729 327458 11952217 23904434