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52285015 = 510797729
BaseRepresentation
bin1100011101110…
…0111001010111
310122101100120001
43013130321113
5101341110030
65104352131
71203262306
oct307347127
9118340501
1052285015
1127571562
1215615647
13aaa84a3
146d3043d
1548cbcca
hex31dce57

52285015 has 8 divisors (see below), whose sum is σ = 63329040. Its totient is φ = 41436672.

The previous prime is 52285007. The next prime is 52285031. The reversal of 52285015 is 51058225.

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 52285015 - 23 = 52285007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48330 + ... + 49399.

It is an arithmetic number, because the mean of its divisors is an integer number (7916130).

Almost surely, 252285015 is an apocalyptic number.

52285015 is a deficient number, since it is larger than the sum of its proper divisors (11044025).

52285015 is a wasteful number, since it uses less digits than its factorization.

52285015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97841.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52285015 is about 7230.8377799533. The cubic root of 52285015 is about 373.9318105161.

The spelling of 52285015 in words is "fifty-two million, two hundred eighty-five thousand, fifteen".

Divisors: 1 5 107 535 97729 488645 10457003 52285015