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52563253 = 192766487
BaseRepresentation
bin1100100010000…
…0110100110101
310122220111020011
43020200310311
5101424011003
65114340221
71205531431
oct310406465
9118814204
1052563253
1127741606
121572a671
13ab75022
146da39c1
15493446d
hex3220d35

52563253 has 4 divisors (see below), whose sum is σ = 55329760. Its totient is φ = 49796748.

The previous prime is 52563229. The next prime is 52563281. The reversal of 52563253 is 35236525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52563253 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 (52563223) 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, 1383225 + ... + 1383262.

It is an arithmetic number, because the mean of its divisors is an integer number (13832440).

Almost surely, 252563253 is an apocalyptic number.

It is an amenable number.

52563253 is a deficient number, since it is larger than the sum of its proper divisors (2766507).

52563253 is a wasteful number, since it uses less digits than its factorization.

52563253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766506.

The product of its digits is 27000, while the sum is 31.

The square root of 52563253 is about 7250.0519308485. The cubic root of 52563253 is about 374.5939379431.

Adding to 52563253 its reverse (35236525), we get a palindrome (87799778).

The spelling of 52563253 in words is "fifty-two million, five hundred sixty-three thousand, two hundred fifty-three".

Divisors: 1 19 2766487 52563253