Search a number
-
+
23302399 = 29672179
BaseRepresentation
bin101100011100…
…1000011111111
31121211212212211
41120321003333
521431134044
62151241251
7402032011
oct130710377
947755784
1023302399
111217648a
127979227
134a9b603
1431481b1
1520a4634
hex16390ff

23302399 has 12 divisors (see below), whose sum is σ = 24607800. Its totient is φ = 22039248.

The previous prime is 23302397. The next prime is 23302423. The reversal of 23302399 is 99320332.

It is not a de Polignac number, because 23302399 - 21 = 23302397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23302399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130092 + ... + 130270.

It is an arithmetic number, because the mean of its divisors is an integer number (2050650).

Almost surely, 223302399 is an apocalyptic number.

23302399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23302399 is a deficient number, since it is larger than the sum of its proper divisors (1305401).

23302399 is an equidigital number, since it uses as much as digits as its factorization.

23302399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 23302399 is about 4827.2558457161. The cubic root of 23302399 is about 285.6276267780.

The spelling of 23302399 in words is "twenty-three million, three hundred two thousand, three hundred ninety-nine".

Divisors: 1 29 67 179 1943 4489 5191 11993 130181 347797 803531 23302399