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23809072 = 247474523
BaseRepresentation
bin101101011010…
…0110000110000
31122210121220111
41122310300300
522043342242
62210151104
7406242130
oct132646060
948717814
1023809072
1112492121
127b82494
134c18111
14323aac0
152154817
hex16b4c30

23809072 has 40 divisors (see below), whose sum is σ = 53853696. Its totient is φ = 9984576.

The previous prime is 23809067. The next prime is 23809091. The reversal of 23809072 is 27090832.

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 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 7525.

Almost surely, 223809072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23809072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26926848).

23809072 is an abundant number, since it is smaller than the sum of its proper divisors (30044624).

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

23809072 is a wasteful number, since it uses less digits than its factorization.

23809072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 23809072 is about 4879.4540678236. The cubic root of 23809072 is about 287.6829716187.

The spelling of 23809072 in words is "twenty-three million, eight hundred nine thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 47 56 94 112 188 329 376 658 752 1316 2632 4523 5264 9046 18092 31661 36184 63322 72368 126644 212581 253288 425162 506576 850324 1488067 1700648 2976134 3401296 5952268 11904536 23809072