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52443228 = 22343310093
BaseRepresentation
bin1100100000001…
…1100001011100
310122200101120210
43020003201130
5101411140403
65112012420
71204521465
oct310034134
9118611523
1052443228
112766a412
1215691110
13ab324c6
146d71d6c
15490db03
hex320385c

52443228 has 24 divisors (see below), whose sum is σ = 122662288. Its totient is φ = 17438976.

The previous prime is 52443143. The next prime is 52443229. The reversal of 52443228 is 82234425.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52443195 and 52443204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52443229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150 + ... + 10242.

Almost surely, 252443228 is an apocalyptic number.

It is an amenable number.

52443228 is an abundant number, since it is smaller than the sum of its proper divisors (70219060).

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

52443228 is a wasteful number, since it uses less digits than its factorization.

52443228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533 (or 10531 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 52443228 is about 7241.7696732221. The cubic root of 52443228 is about 374.3085998033.

The spelling of 52443228 in words is "fifty-two million, four hundred forty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 433 866 1299 1732 2598 5196 10093 20186 30279 40372 60558 121116 4370269 8740538 13110807 17481076 26221614 52443228