Search a number
-
+
20852952 = 233868873
BaseRepresentation
bin100111110001…
…1000011011000
31110020102212120
41033203003120
520314243302
62022541240
7342150531
oct117430330
943212776
1020852952
111085314a
126b97820
134421733
142aab688
151c6d9bc
hex13e30d8

20852952 has 16 divisors (see below), whose sum is σ = 52132440. Its totient is φ = 6950976.

The previous prime is 20852947. The next prime is 20852971. The reversal of 20852952 is 25925802.

It is a super-2 number, since 2×208529522 = 869691214228608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434413 + ... + 434460.

Almost surely, 220852952 is an apocalyptic number.

It is an amenable number.

20852952 is an abundant number, since it is smaller than the sum of its proper divisors (31279488).

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

20852952 is a wasteful number, since it uses less digits than its factorization.

20852952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868882 (or 868878 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 20852952 is about 4566.5032574170. The cubic root of 20852952 is about 275.2469495232.

The spelling of 20852952 in words is "twenty million, eight hundred fifty-two thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 868873 1737746 2606619 3475492 5213238 6950984 10426476 20852952