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23113242 = 233428023
BaseRepresentation
bin101100000101…
…0111000011010
31121111021102000
41120022320122
521404110432
62143221430
7400313355
oct130127032
947437360
1023113242
1112057359
1278a7876
134a33499
1430d929c
15206857c
hex160ae1a

23113242 has 16 divisors (see below), whose sum is σ = 51362880. Its totient is φ = 7704396.

The previous prime is 23113241. The next prime is 23113249. The reversal of 23113242 is 24231132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23113241) by changing a digit.

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, 213958 + ... + 214065.

It is an arithmetic number, because the mean of its divisors is an integer number (3210180).

Almost surely, 223113242 is an apocalyptic number.

23113242 is an abundant number, since it is smaller than the sum of its proper divisors (28249638).

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

23113242 is a wasteful number, since it uses less digits than its factorization.

23113242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428034 (or 428028 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 23113242 is about 4807.6233213512. The cubic root of 23113242 is about 284.8526662296.

Adding to 23113242 its reverse (24231132), we get a palindrome (47344374).

The spelling of 23113242 in words is "twenty-three million, one hundred thirteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 428023 856046 1284069 2568138 3852207 7704414 11556621 23113242