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52588290 = 2351752943
BaseRepresentation
bin1100100010011…
…0111100000010
310122221202120110
43020212330002
5101430311130
65115052150
71205664426
oct310467402
9118852513
1052588290
11277593a7
1215741056
13ab83541
146dacb86
15493bab0
hex3226f02

52588290 has 16 divisors (see below), whose sum is σ = 126211968. Its totient is φ = 14023536.

The previous prime is 52588273. The next prime is 52588297. The reversal of 52588290 is 9288525.

It is a super-3 number, since 3×525882903 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52588297) 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 7 ways as a sum of consecutive naturals, for example, 876442 + ... + 876501.

It is an arithmetic number, because the mean of its divisors is an integer number (7888248).

Almost surely, 252588290 is an apocalyptic number.

52588290 is an abundant number, since it is smaller than the sum of its proper divisors (73623678).

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

52588290 is a wasteful number, since it uses less digits than its factorization.

52588290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752953.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 52588290 is about 7251.7784025713. The cubic root of 52588290 is about 374.6534042001.

The spelling of 52588290 in words is "fifty-two million, five hundred eighty-eight thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1752943 3505886 5258829 8764715 10517658 17529430 26294145 52588290