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23130224 = 2413611823
BaseRepresentation
bin101100000111…
…1000001110000
31121112010200222
41120033001300
521410131344
62143432212
7400414025
oct130170160
947463628
1023130224
1112069097
1278b5668
134a3b130
14310154c
15206d5ee
hex160f070

23130224 has 40 divisors (see below), whose sum is σ = 49080192. Its totient is φ = 10494720.

The previous prime is 23130193. The next prime is 23130253. The reversal of 23130224 is 42203132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11777 + ... + 13599.

Almost surely, 223130224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23130224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24540096).

23130224 is an abundant number, since it is smaller than the sum of its proper divisors (25949968).

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

23130224 is a wasteful number, since it uses less digits than its factorization.

23130224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23130224 is about 4809.3891504015. The cubic root of 23130224 is about 284.9224124490.

Adding to 23130224 its reverse (42203132), we get a palindrome (65333356).

The spelling of 23130224 in words is "twenty-three million, one hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 52 61 104 122 208 244 488 793 976 1586 1823 3172 3646 6344 7292 12688 14584 23699 29168 47398 94796 111203 189592 222406 379184 444812 889624 1445639 1779248 2891278 5782556 11565112 23130224