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252202044 = 22321016837
BaseRepresentation
bin11110000100001…
…00110000111100
3122120120012011110
433002010300330
51004030431134
641005322020
76151452633
oct1702046074
9576505143
10252202044
1111a3a8146
1270566310
1340333aa3
14256d051a
151721b7e9
hexf084c3c

252202044 has 12 divisors (see below), whose sum is σ = 588471464. Its totient is φ = 84067344.

The previous prime is 252202031. The next prime is 252202063. The reversal of 252202044 is 440202252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252202044.

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, 10508407 + ... + 10508430.

Almost surely, 2252202044 is an apocalyptic number.

It is an amenable number.

252202044 is an abundant number, since it is smaller than the sum of its proper divisors (336269420).

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

252202044 is a wasteful number, since it uses less digits than its factorization.

252202044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21016844 (or 21016842 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 252202044 is about 15880.8703791700. The cubic root of 252202044 is about 631.8047218881.

Adding to 252202044 its reverse (440202252), we get a palindrome (692404296).

The spelling of 252202044 in words is "two hundred fifty-two million, two hundred two thousand, forty-four".

Divisors: 1 2 3 4 6 12 21016837 42033674 63050511 84067348 126101022 252202044