Search a number
-
+
23873172 = 22323671291
BaseRepresentation
bin101101100010…
…0011010010100
31122220212211120
41123010122110
522102420142
62211403540
7406630041
oct133043224
948825746
1023873172
11125262a4
127bb35b0
134c3b34b
1432561c8
1521687ec
hex16c4694

23873172 has 48 divisors (see below), whose sum is σ = 59039232. Its totient is φ = 7492320.

The previous prime is 23873167. The next prime is 23873189. The reversal of 23873172 is 27137832.

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 15 ways as a sum of consecutive naturals, for example, 17847 + ... + 19137.

It is an arithmetic number, because the mean of its divisors is an integer number (1229984).

Almost surely, 223873172 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 23873172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29519616).

23873172 is an abundant number, since it is smaller than the sum of its proper divisors (35166060).

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

23873172 is a wasteful number, since it uses less digits than its factorization.

23873172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 23873172 is about 4886.0180106095. The cubic root of 23873172 is about 287.9409118748.

The spelling of 23873172 in words is "twenty-three million, eight hundred seventy-three thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 67 69 92 134 138 201 268 276 402 804 1291 1541 2582 3082 3873 4623 5164 6164 7746 9246 15492 18492 29693 59386 86497 89079 118772 172994 178158 259491 345988 356316 518982 1037964 1989431 3978862 5968293 7957724 11936586 23873172