Search a number
-
+
23809476 = 2231984123
BaseRepresentation
bin101101011010…
…0110111000100
31122210122110110
41122310313010
522043400401
62210153020
7406243245
oct132646704
948718413
1023809476
1112492459
127b82770
134c18362
14323accc
1521549d6
hex16b4dc4

23809476 has 12 divisors (see below), whose sum is σ = 55555472. Its totient is φ = 7936488.

The previous prime is 23809453. The next prime is 23809477. The reversal of 23809476 is 67490832.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×238094762 = 1133782294789152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23809477) 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, 992050 + ... + 992073.

Almost surely, 223809476 is an apocalyptic number.

It is an amenable number.

23809476 is an abundant number, since it is smaller than the sum of its proper divisors (31745996).

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

23809476 is a wasteful number, since it uses less digits than its factorization.

23809476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984130 (or 1984128 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 23809476 is about 4879.4954657218. The cubic root of 23809476 is about 287.6845987752.

The spelling of 23809476 in words is "twenty-three million, eight hundred nine thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 12 1984123 3968246 5952369 7936492 11904738 23809476