Search a number
-
+
23089132 = 2211539901
BaseRepresentation
bin101100000010…
…0111111101100
31121110001100001
41120010333230
521402323012
62142514044
7400153153
oct130047754
947401301
1023089132
1112040230
127895924
134a25511
1430d059a
152061357
hex1604fec

23089132 has 24 divisors (see below), whose sum is σ = 44915472. Its totient is φ = 10296000.

The previous prime is 23089127. The next prime is 23089139. The reversal of 23089132 is 23198032.

It is a self number, because there is not a number n which added to its sum of digits gives 23089132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2619 + ... + 7282.

It is an arithmetic number, because the mean of its divisors is an integer number (1871478).

Almost surely, 223089132 is an apocalyptic number.

23089132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23089132 is a deficient number, since it is larger than the sum of its proper divisors (21826340).

23089132 is a wasteful number, since it uses less digits than its factorization.

23089132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9969 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23089132 is about 4805.1151911271. The cubic root of 23089132 is about 284.7535861272.

Subtracting 23089132 from its reverse (23198032), we obtain a square (108900 = 3302).

The spelling of 23089132 in words is "twenty-three million, eighty-nine thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 53 106 212 583 1166 2332 9901 19802 39604 108911 217822 435644 524753 1049506 2099012 5772283 11544566 23089132