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52532449 = 191275039
BaseRepresentation
bin1100100001100…
…1010011100001
310122211220222021
43020121103201
5101422014244
65113541441
71205342554
oct310312341
9118756867
1052532449
1127720452
1215714881
13ab63cb8
146d9669b
15492a284
hex32194e1

52532449 has 4 divisors (see below), whose sum is σ = 52807680. Its totient is φ = 52257220.

The previous prime is 52532419. The next prime is 52532453. The reversal of 52532449 is 94423525.

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-52532449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52532419) 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, 137329 + ... + 137710.

It is an arithmetic number, because the mean of its divisors is an integer number (13201920).

Almost surely, 252532449 is an apocalyptic number.

It is an amenable number.

52532449 is a deficient number, since it is larger than the sum of its proper divisors (275231).

52532449 is a wasteful number, since it uses less digits than its factorization.

52532449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275230.

The product of its digits is 43200, while the sum is 34.

The square root of 52532449 is about 7247.9272209370. The cubic root of 52532449 is about 374.5207483678.

The spelling of 52532449 in words is "fifty-two million, five hundred thirty-two thousand, four hundred forty-nine".

Divisors: 1 191 275039 52532449