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52656479 = 83962761
BaseRepresentation
bin1100100011011…
…1100101011111
310200002020002222
43020313211133
5101440001404
65120335555
71206400301
oct310674537
9120066088
1052656479
11277a5657
12157745bb
13aba85a5
146dc9971
154951dbe
hex323795f

52656479 has 4 divisors (see below), whose sum is σ = 52720080. Its totient is φ = 52592880.

The previous prime is 52656469. The next prime is 52656491. The reversal of 52656479 is 97465625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52656479 is a prime.

It is a super-3 number, since 3×526564793 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52656419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30542 + ... + 32219.

It is an arithmetic number, because the mean of its divisors is an integer number (13180020).

Almost surely, 252656479 is an apocalyptic number.

52656479 is a deficient number, since it is larger than the sum of its proper divisors (63601).

52656479 is an equidigital number, since it uses as much as digits as its factorization.

52656479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63600.

The product of its digits is 453600, while the sum is 44.

The square root of 52656479 is about 7256.4784158709. The cubic root of 52656479 is about 374.8152666408.

It can be divided in two parts, 52656 and 479, that added together give a palindrome (53135).

The spelling of 52656479 in words is "fifty-two million, six hundred fifty-six thousand, four hundred seventy-nine".

Divisors: 1 839 62761 52656479