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52544263 = 173090839
BaseRepresentation
bin1100100001110…
…0001100000111
310122212112011211
43020130030013
5101422404023
65114112251
71205422162
oct310341407
9118775154
1052544263
1127729312
121571b687
13ab694a5
146d9aad9
15492da0d
hex321c307

52544263 has 4 divisors (see below), whose sum is σ = 55635120. Its totient is φ = 49453408.

The previous prime is 52544257. The next prime is 52544269. The reversal of 52544263 is 36244525.

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

It is an interprime number because it is at equal distance from previous prime (52544257) and next prime (52544269).

It is a de Polignac number, because none of the positive numbers 2k-52544263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544269) 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, 1545403 + ... + 1545436.

It is an arithmetic number, because the mean of its divisors is an integer number (13908780).

Almost surely, 252544263 is an apocalyptic number.

52544263 is a deficient number, since it is larger than the sum of its proper divisors (3090857).

52544263 is a wasteful number, since it uses less digits than its factorization.

52544263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090856.

The product of its digits is 28800, while the sum is 31.

The square root of 52544263 is about 7248.7421667487. The cubic root of 52544263 is about 374.5488215338.

Adding to 52544263 its reverse (36244525), we get a palindrome (88788788).

The spelling of 52544263 in words is "fifty-two million, five hundred forty-four thousand, two hundred sixty-three".

Divisors: 1 17 3090839 52544263