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52885452 = 22343910039
BaseRepresentation
bin1100100110111…
…1011111001100
310200111212012110
43021233133030
5102014313302
65125304020
71211342664
oct311573714
9120455173
1052885452
1127941694
1215865010
13ac58889
1470491a4
154999b6c
hex326f7cc

52885452 has 24 divisors (see below), whose sum is σ = 123692800. Its totient is φ = 17586576.

The previous prime is 52885451. The next prime is 52885457. The reversal of 52885452 is 25458825.

It is a self number, because there is not a number n which added to its sum of digits gives 52885452.

It is not an unprimeable number, because it can be changed into a prime (52885451) 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, 249 + ... + 10287.

Almost surely, 252885452 is an apocalyptic number.

It is an amenable number.

52885452 is an abundant number, since it is smaller than the sum of its proper divisors (70807348).

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

52885452 is a wasteful number, since it uses less digits than its factorization.

52885452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485 (or 10483 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 52885452 is about 7272.2384449356. The cubic root of 52885452 is about 375.3577670099.

It can be divided in two parts, 528854 and 52, that added together give a triangular number (528906 = T1028).

The spelling of 52885452 in words is "fifty-two million, eight hundred eighty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 439 878 1317 1756 2634 5268 10039 20078 30117 40156 60234 120468 4407121 8814242 13221363 17628484 26442726 52885452