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52581323 = 173798161
BaseRepresentation
bin1100100010010…
…1001111001011
310122221102000102
43020211033023
5101430100243
65115000015
71205635214
oct310451713
9118842012
1052581323
1127754143
121573900b
13ab80312
146daa40b
1549399b8
hex32253cb

52581323 has 8 divisors (see below), whose sum is σ = 55828080. Its totient is φ = 49351680.

The previous prime is 52581313. The next prime is 52581349. The reversal of 52581323 is 32318525.

52581323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52581323 - 26 = 52581259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52581313) 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 7 ways as a sum of consecutive naturals, for example, 2363 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (6978510).

Almost surely, 252581323 is an apocalyptic number.

52581323 is a deficient number, since it is larger than the sum of its proper divisors (3246757).

52581323 is a wasteful number, since it uses less digits than its factorization.

52581323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557.

The product of its digits is 7200, while the sum is 29.

The square root of 52581323 is about 7251.2980217338. The cubic root of 52581323 is about 374.6368585296.

Adding to 52581323 its reverse (32318525), we get a palindrome (84899848).

The spelling of 52581323 in words is "fifty-two million, five hundred eighty-one thousand, three hundred twenty-three".

Divisors: 1 17 379 6443 8161 138737 3093019 52581323