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52518430 = 2523228341
BaseRepresentation
bin1100100001010…
…1111000011110
310122211012202001
43020111320132
5101421042210
65113352514
71205253646
oct310257036
9118735661
1052518430
1127710968
121570873a
13ab5a7c3
146d91526
15492603a
hex3215e1e

52518430 has 16 divisors (see below), whose sum is σ = 98643744. Its totient is φ = 20093920.

The previous prime is 52518379. The next prime is 52518443. The reversal of 52518430 is 3481525.

52518430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113941 + ... + 114400.

It is an arithmetic number, because the mean of its divisors is an integer number (6165234).

Almost surely, 252518430 is an apocalyptic number.

52518430 is a deficient number, since it is larger than the sum of its proper divisors (46125314).

52518430 is a wasteful number, since it uses less digits than its factorization.

52518430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228371.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 52518430 is about 7246.9600523254. The cubic root of 52518430 is about 374.4874300818.

Adding to 52518430 its reverse (3481525), we get a palindrome (55999955).

The spelling of 52518430 in words is "fifty-two million, five hundred eighteen thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 228341 456682 1141705 2283410 5251843 10503686 26259215 52518430