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52352261 = 134027097
BaseRepresentation
bin1100011110110…
…1010100000101
310122111202210122
43013231110011
5101400233021
65110031325
71203662333
oct307552405
9118452718
1052352261
1127608035
1215648545
13aaccc90
146d4ab53
1548e1bab
hex31ed505

52352261 has 4 divisors (see below), whose sum is σ = 56379372. Its totient is φ = 48325152.

The previous prime is 52352249. The next prime is 52352263. The reversal of 52352261 is 16225325.

52352261 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 2579236 + 49773025 = 1606^2 + 7055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52352261 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 52352261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52352263) 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, 2013536 + ... + 2013561.

It is an arithmetic number, because the mean of its divisors is an integer number (14094843).

Almost surely, 252352261 is an apocalyptic number.

It is an amenable number.

52352261 is a deficient number, since it is larger than the sum of its proper divisors (4027111).

52352261 is a wasteful number, since it uses less digits than its factorization.

52352261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027110.

The product of its digits is 3600, while the sum is 26.

The square root of 52352261 is about 7235.4862310698. The cubic root of 52352261 is about 374.0920517504.

Adding to 52352261 its reverse (16225325), we get a palindrome (68577586).

The spelling of 52352261 in words is "fifty-two million, three hundred fifty-two thousand, two hundred sixty-one".

Divisors: 1 13 4027097 52352261