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23204642 = 283139787
BaseRepresentation
bin101100010000…
…1001100100010
31121122220210012
41120201030202
521420022032
62145204522
7401144006
oct130411442
947586705
1023204642
1112109a9a
127930742
134a65c76
143120706
1520856b2
hex1621322

23204642 has 8 divisors (see below), whose sum is σ = 35226576. Its totient is φ = 11462452.

The previous prime is 23204617. The next prime is 23204651. The reversal of 23204642 is 24640232.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69728 + ... + 70059.

It is an arithmetic number, because the mean of its divisors is an integer number (4403322).

Almost surely, 223204642 is an apocalyptic number.

23204642 is a deficient number, since it is larger than the sum of its proper divisors (12021934).

23204642 is a wasteful number, since it uses less digits than its factorization.

23204642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139872.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 23204642 is about 4817.1196788122. The cubic root of 23204642 is about 285.2276502642.

Adding to 23204642 its reverse (24640232), we get a palindrome (47844874).

The spelling of 23204642 in words is "twenty-three million, two hundred four thousand, six hundred forty-two".

Divisors: 1 2 83 166 139787 279574 11602321 23204642