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23113550 = 252462271
BaseRepresentation
bin101100000101…
…0111101001110
31121111021211102
41120022331032
521404113200
62143223102
7400314305
oct130127516
947437742
1023113550
1112057609
1278a7a92
134a33675
1430d943c
1520686d5
hex160af4e

23113550 has 12 divisors (see below), whose sum is σ = 42991296. Its totient is φ = 9245400.

The previous prime is 23113549. The next prime is 23113561. The reversal of 23113550 is 5531132.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 231086 + ... + 231185.

It is an arithmetic number, because the mean of its divisors is an integer number (3582608).

Almost surely, 223113550 is an apocalyptic number.

23113550 is a deficient number, since it is larger than the sum of its proper divisors (19877746).

23113550 is a wasteful number, since it uses less digits than its factorization.

23113550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462283 (or 462278 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 23113550 is about 4807.6553537041. The cubic root of 23113550 is about 284.8539315106.

Adding to 23113550 its reverse (5531132), we get a palindrome (28644682).

The spelling of 23113550 in words is "twenty-three million, one hundred thirteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 462271 924542 2311355 4622710 11556775 23113550