Search a number
-
+
23630172 = 2231969181
BaseRepresentation
bin101101000100…
…1000101011100
31122110112111120
41122021011130
522022131142
62202250540
7404565426
oct132110534
948415446
1023630172
111237a775
127ab6a50
134b84867
1431d1816
15211b7ec
hex168915c

23630172 has 12 divisors (see below), whose sum is σ = 55137096. Its totient is φ = 7876720.

The previous prime is 23630147. The next prime is 23630197. The reversal of 23630172 is 27103632.

It is an interprime number because it is at equal distance from previous prime (23630147) and next prime (23630197).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984579 + ... + 984602.

It is an arithmetic number, because the mean of its divisors is an integer number (4594758).

Almost surely, 223630172 is an apocalyptic number.

It is an amenable number.

23630172 is an abundant number, since it is smaller than the sum of its proper divisors (31506924).

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

23630172 is a wasteful number, since it uses less digits than its factorization.

23630172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969188 (or 1969186 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23630172 is about 4861.0875326412. The cubic root of 23630172 is about 286.9606148935.

The spelling of 23630172 in words is "twenty-three million, six hundred thirty thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 1969181 3938362 5907543 7876724 11815086 23630172