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52528302 = 2322918239
BaseRepresentation
bin1100100001100…
…0010010101110
310122211201021200
43020120102232
5101421401202
65113510330
71205324511
oct310302256
9118751250
1052528302
1127718322
12157123a6
13ab62148
146d94d78
154928e1c
hex32184ae

52528302 has 12 divisors (see below), whose sum is σ = 113811360. Its totient is φ = 17509428.

The previous prime is 52528243. The next prime is 52528303. The reversal of 52528302 is 20382525.

It is a super-2 number, since 2×525283022 = 5518445022006408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52528303) 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 5 ways as a sum of consecutive naturals, for example, 1459102 + ... + 1459137.

It is an arithmetic number, because the mean of its divisors is an integer number (9484280).

Almost surely, 252528302 is an apocalyptic number.

52528302 is an abundant number, since it is smaller than the sum of its proper divisors (61283058).

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

52528302 is a wasteful number, since it uses less digits than its factorization.

52528302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918247 (or 2918244 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52528302 is about 7247.6411334999. The cubic root of 52528302 is about 374.5108930090.

The spelling of 52528302 in words is "fifty-two million, five hundred twenty-eight thousand, three hundred two".

Divisors: 1 2 3 6 9 18 2918239 5836478 8754717 17509434 26264151 52528302