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52606013 = 173304081
BaseRepresentation
bin1100100010101…
…1010000111101
310122222122212212
43020223100331
5101431343023
65115310205
71206100205
oct310532075
9118878785
1052606013
1127770749
121574b365
13ab8b625
146db5405
154941e78
hex322b43d

52606013 has 4 divisors (see below), whose sum is σ = 52910268. Its totient is φ = 52301760.

The previous prime is 52605983. The next prime is 52606027. The reversal of 52606013 is 31060625.

52606013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47844889 + 4761124 = 6917^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 52606013 - 210 = 52604989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52606013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52606033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 151868 + ... + 152213.

It is an arithmetic number, because the mean of its divisors is an integer number (13227567).

Almost surely, 252606013 is an apocalyptic number.

It is an amenable number.

52606013 is a deficient number, since it is larger than the sum of its proper divisors (304255).

52606013 is a wasteful number, since it uses less digits than its factorization.

52606013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304254.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 52606013 is about 7253.0002757480. Note that the first 3 decimals coincide. The cubic root of 52606013 is about 374.6954873108.

Adding to 52606013 its reverse (31060625), we get a palindrome (83666638).

The spelling of 52606013 in words is "fifty-two million, six hundred six thousand, thirteen".

Divisors: 1 173 304081 52606013