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52544491 = 293674937
BaseRepresentation
bin1100100001110…
…0001111101011
310122212112111021
43020130033223
5101422410431
65114113311
71205422636
oct310341753
9118775437
1052544491
11277294aa
121571b837
13ab6961c
146d9ac1d
15492db11
hex321c3eb

52544491 has 8 divisors (see below), whose sum is σ = 54515520. Its totient is φ = 50584128.

The previous prime is 52544419. The next prime is 52544497. The reversal of 52544491 is 19444525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52544491 - 219 = 52020203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52544497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175 + ... + 13111.

It is an arithmetic number, because the mean of its divisors is an integer number (6814440).

Almost surely, 252544491 is an apocalyptic number.

52544491 is a deficient number, since it is larger than the sum of its proper divisors (1971029).

52544491 is a wasteful number, since it uses less digits than its factorization.

52544491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333.

The product of its digits is 28800, while the sum is 34.

The square root of 52544491 is about 7248.7578935980. The cubic root of 52544491 is about 374.5493632803.

Adding to 52544491 its sum of digits (34), we get a palindrome (52544525).

It can be divided in two parts, 52544 and 491, that added together give a palindrome (53035).

The spelling of 52544491 in words is "fifty-two million, five hundred forty-four thousand, four hundred ninety-one".

Divisors: 1 29 367 4937 10643 143173 1811879 52544491