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23112232 = 23111389227
BaseRepresentation
bin101100000101…
…0101000101000
31121111020000121
41120022220220
521404042412
62143213024
7400310413
oct130125050
947436017
1023112232
1112056620
1278a7174
134a32ba0
1430d8b7a
152068107
hex160aa28

23112232 has 64 divisors (see below), whose sum is σ = 51710400. Its totient is φ = 9546240.

The previous prime is 23112209. The next prime is 23112239. The reversal of 23112232 is 23221132.

It is not an unprimeable number, because it can be changed into a prime (23112239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101703 + ... + 101929.

It is an arithmetic number, because the mean of its divisors is an integer number (807975).

Almost surely, 223112232 is an apocalyptic number.

23112232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23112232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25855200).

23112232 is an abundant number, since it is smaller than the sum of its proper divisors (28598168).

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

23112232 is a wasteful number, since it uses less digits than its factorization.

23112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 342 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 23112232 is about 4807.5182786964. The cubic root of 23112232 is about 284.8485170153.

Adding to 23112232 its reverse (23221132), we get a palindrome (46333364).

Subtracting 23112232 from its reverse (23221132), we obtain a square (108900 = 3302).

The spelling of 23112232 in words is "twenty-three million, one hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 89 104 143 178 227 286 356 454 572 712 908 979 1144 1157 1816 1958 2314 2497 2951 3916 4628 4994 5902 7832 9256 9988 11804 12727 19976 20203 23608 25454 32461 40406 50908 64922 80812 101816 129844 161624 222233 259688 262639 444466 525278 888932 1050556 1777864 2101112 2889029 5778058 11556116 23112232