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52785863 = 134319421
BaseRepresentation
bin1100100101011…
…1001011000111
310200022210120222
43021113023013
5102003121423
65123214555
71210446434
oct311271307
9120283528
1052785863
1127883889
121581745b
13ac22450
147020b8b
15497a3c8
hex32572c7

52785863 has 8 divisors (see below), whose sum is σ = 56984256. Its totient is φ = 48607200.

The previous prime is 52785823. The next prime is 52785869. The reversal of 52785863 is 36858725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52785863 - 212 = 52781767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52785869) 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, 893 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (7123032).

Almost surely, 252785863 is an apocalyptic number.

52785863 is a deficient number, since it is larger than the sum of its proper divisors (4198393).

52785863 is a wasteful number, since it uses less digits than its factorization.

52785863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865.

The product of its digits is 403200, while the sum is 44.

The square root of 52785863 is about 7265.3880144146. The cubic root of 52785863 is about 375.1220059308.

The spelling of 52785863 in words is "fifty-two million, seven hundred eighty-five thousand, eight hundred sixty-three".

Divisors: 1 13 431 5603 9421 122473 4060451 52785863