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52503885 = 3257166679
BaseRepresentation
bin1100100001001…
…0010101001101
310122210110210100
43020102111031
5101420111020
65113201313
71205163360
oct310222515
9118713710
1052503885
1127700a45
1215700239
13ab53cb5
146d8a0d7
154921a90
hex321254d

52503885 has 24 divisors (see below), whose sum is σ = 104008320. Its totient is φ = 24001632.

The previous prime is 52503881. The next prime is 52503887. The reversal of 52503885 is 58830525.

It is not a de Polignac number, because 52503885 - 22 = 52503881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83025 + ... + 83654.

It is an arithmetic number, because the mean of its divisors is an integer number (4333680).

Almost surely, 252503885 is an apocalyptic number.

It is an amenable number.

52503885 is a deficient number, since it is larger than the sum of its proper divisors (51504435).

52503885 is a wasteful number, since it uses less digits than its factorization.

52503885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166697 (or 166694 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 52503885 is about 7245.9564586050. The cubic root of 52503885 is about 374.4528554091.

The spelling of 52503885 in words is "fifty-two million, five hundred three thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 166679 500037 833395 1166753 1500111 2500185 3500259 5833765 7500555 10500777 17501295 52503885