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52283860 = 2252614193
BaseRepresentation
bin1100011101110…
…0100111010100
310122101021222021
43013130213110
5101341040420
65104342524
71203256036
oct307344724
9118337867
1052283860
1127570702
1215614a44
13aaa7ac5
146d2dc56
1548cb7aa
hex31dc9d4

52283860 has 12 divisors (see below), whose sum is σ = 109796148. Its totient is φ = 20913536.

The previous prime is 52283843. The next prime is 52283927. The reversal of 52283860 is 6838225.

It can be written as a sum of positive squares in 2 ways, for example, as 22297284 + 29986576 = 4722^2 + 5476^2 .

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, 1307077 + ... + 1307116.

It is an arithmetic number, because the mean of its divisors is an integer number (9149679).

Almost surely, 252283860 is an apocalyptic number.

It is an amenable number.

52283860 is an abundant number, since it is smaller than the sum of its proper divisors (57512288).

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

52283860 is a wasteful number, since it uses less digits than its factorization.

52283860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614202 (or 2614200 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 52283860 is about 7230.7579132481. The cubic root of 52283860 is about 373.9290570540.

The spelling of 52283860 in words is "fifty-two million, two hundred eighty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 2614193 5228386 10456772 13070965 26141930 52283860