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52102230 = 2352118231
BaseRepresentation
bin1100011011000…
…0010001010110
310122001001211020
43012300101112
5101314232410
65100422010
71201601355
oct306602126
9118031736
1052102230
11274571a4
1215547906
13aa4322b
146cc399c
154892a70
hex31b0456

52102230 has 32 divisors (see below), whose sum is σ = 125653248. Its totient is φ = 13826400.

The previous prime is 52102213. The next prime is 52102243. The reversal of 52102230 is 3220125.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2215 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (3926664).

Almost surely, 252102230 is an apocalyptic number.

52102230 is an abundant number, since it is smaller than the sum of its proper divisors (73551018).

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

52102230 is a wasteful number, since it uses less digits than its factorization.

52102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 52102230 is about 7218.1874456126. The cubic root of 52102230 is about 373.4955546783.

Adding to 52102230 its reverse (3220125), we get a palindrome (55322355).

The spelling of 52102230 in words is "fifty-two million, one hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 211 422 633 1055 1266 2110 3165 6330 8231 16462 24693 41155 49386 82310 123465 246930 1736741 3473482 5210223 8683705 10420446 17367410 26051115 52102230