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220552052 = 2277876859
BaseRepresentation
bin11010010010101…
…01101101110100
3120101000012112112
431021111231310
5422430131202
633515110152
75315442620
oct1511255564
9511005475
10220552052
11103550026
1261a42358
1336901a96
1421412180
1514568b52
hexd255b74

220552052 has 12 divisors (see below), whose sum is σ = 441104160. Its totient is φ = 94522296.

The previous prime is 220552043. The next prime is 220552091. The reversal of 220552052 is 250255022.

It is a happy number.

220552052 is an admirable number.

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, 3938402 + ... + 3938457.

It is an arithmetic number, because the mean of its divisors is an integer number (36758680).

Almost surely, 2220552052 is an apocalyptic number.

It is an amenable number.

220552052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220552052 is a wasteful number, since it uses less digits than its factorization.

220552052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876870 (or 7876868 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 220552052 is about 14850.9949835019. The cubic root of 220552052 is about 604.1855963714.

The spelling of 220552052 in words is "two hundred twenty million, five hundred fifty-two thousand, fifty-two".

Divisors: 1 2 4 7 14 28 7876859 15753718 31507436 55138013 110276026 220552052