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52265617 = 68337649
BaseRepresentation
bin1100011101100…
…0001010010001
310122100100221121
43013120022101
5101334444432
65104122241
71203151615
oct307301221
9118310847
1052265617
1127558a28
1215606381
13aa9c701
146d27345
1548c6197
hex31d8291

52265617 has 4 divisors (see below), whose sum is σ = 52280100. Its totient is φ = 52251136.

The previous prime is 52265567. The next prime is 52265621. The reversal of 52265617 is 71656225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4157521 + 48108096 = 2039^2 + 6936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52265617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52265657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3009 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (13070025).

Almost surely, 252265617 is an apocalyptic number.

It is an amenable number.

52265617 is a deficient number, since it is larger than the sum of its proper divisors (14483).

52265617 is an equidigital number, since it uses as much as digits as its factorization.

52265617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482.

The product of its digits is 25200, while the sum is 34.

The square root of 52265617 is about 7229.4963171718. The cubic root of 52265617 is about 373.8855612770.

It can be divided in two parts, 5 and 2265617, that added together give a palindrome (2265622).

The spelling of 52265617 in words is "fifty-two million, two hundred sixty-five thousand, six hundred seventeen".

Divisors: 1 6833 7649 52265617