Search a number
-
+
23089338 = 2321498609
BaseRepresentation
bin101100000010…
…1000010111010
31121110001121200
41120011002322
521402324323
62142515030
7400153566
oct130050272
947401550
1023089338
11120403a8
127895a76
134a2563c
1430d06a6
152061443
hex16050ba

23089338 has 24 divisors (see below), whose sum is σ = 50368500. Its totient is φ = 7643904.

The previous prime is 23089337. The next prime is 23089343. The reversal of 23089338 is 83398032.

It can be written as a sum of positive squares in 2 ways, for example, as 20277009 + 2812329 = 4503^2 + 1677^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23089333) 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, 1623 + ... + 6986.

Almost surely, 223089338 is an apocalyptic number.

23089338 is an abundant number, since it is smaller than the sum of its proper divisors (27279162).

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

23089338 is a wasteful number, since it uses less digits than its factorization.

23089338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 23089338 is about 4805.1366265695. The cubic root of 23089338 is about 284.7544329767.

The spelling of 23089338 in words is "twenty-three million, eighty-nine thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 9 18 149 298 447 894 1341 2682 8609 17218 25827 51654 77481 154962 1282741 2565482 3848223 7696446 11544669 23089338