Search a number
-
+
23130196 = 2273113701
BaseRepresentation
bin101100000111…
…1000001010100
31121112010122221
41120033001110
521410131241
62143432124
7400413655
oct130170124
947463587
1023130196
1112069071
1278b5644
134a3b10b
14310152c
15206d5d1
hex160f054

23130196 has 24 divisors (see below), whose sum is σ = 41454504. Its totient is φ = 11289600.

The previous prime is 23130193. The next prime is 23130253. The reversal of 23130196 is 69103132.

23130196 = T243 + T244 + ... + T534.

It can be written as a sum of positive squares in 4 ways, for example, as 2062096 + 21068100 = 1436^2 + 4590^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23130196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32646 + ... + 33346.

It is an arithmetic number, because the mean of its divisors is an integer number (1727271).

Almost surely, 223130196 is an apocalyptic number.

It is an amenable number.

23130196 is a deficient number, since it is larger than the sum of its proper divisors (18324308).

23130196 is a wasteful number, since it uses less digits than its factorization.

23130196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 23130196 is about 4809.3862394281. The cubic root of 23130196 is about 284.9222974792.

The spelling of 23130196 in words is "twenty-three million, one hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 4 73 113 146 226 292 452 701 1402 2804 8249 16498 32996 51173 79213 102346 158426 204692 316852 5782549 11565098 23130196