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52006430 = 257742949
BaseRepresentation
bin1100011001100…
…0111000011110
310121212012102002
43012120320132
5101303201210
65054402302
71201022150
oct306307036
9117765362
1052006430
11273a1223
1215500392
13aa0b748
146c9aad0
1548744a5
hex3198e1e

52006430 has 16 divisors (see below), whose sum is σ = 106984800. Its totient is φ = 17830752.

The previous prime is 52006429. The next prime is 52006529. The reversal of 52006430 is 3460025.

52006430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×520064302 = 5409337522689800, which contains 22 as substring.

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, 371405 + ... + 371544.

It is an arithmetic number, because the mean of its divisors is an integer number (6686550).

Almost surely, 252006430 is an apocalyptic number.

52006430 is an abundant number, since it is smaller than the sum of its proper divisors (54978370).

52006430 is a wasteful number, since it uses less digits than its factorization.

52006430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742963.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52006430 is about 7211.5483774291. The cubic root of 52006430 is about 373.2664996930.

Adding to 52006430 its reverse (3460025), we get a palindrome (55466455).

The spelling of 52006430 in words is "fifty-two million, six thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 742949 1485898 3714745 5200643 7429490 10401286 26003215 52006430