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53248449 = 379224677
BaseRepresentation
bin1100101100100…
…0000111000001
310201012022010210
43023020013001
5102112422244
65141144333
71214414202
oct313100701
9121168123
1053248449
112806a391
12159bb0a9
13b054b77
1471015a9
154a1c4b9
hex32c81c1

53248449 has 8 divisors (see below), whose sum is σ = 71896960. Its totient is φ = 35049456.

The previous prime is 53248423. The next prime is 53248453. The reversal of 53248449 is 94484235.

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

It is not a de Polignac number, because 53248449 - 25 = 53248417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53248409) 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, 112102 + ... + 112575.

It is an arithmetic number, because the mean of its divisors is an integer number (8987120).

It is the magic constant of a 474 × 474 magic square.

Almost surely, 253248449 is an apocalyptic number.

It is an amenable number.

53248449 is a deficient number, since it is larger than the sum of its proper divisors (18648511).

53248449 is a wasteful number, since it uses less digits than its factorization.

53248449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224759.

The product of its digits is 138240, while the sum is 39.

The square root of 53248449 is about 7297.1534861205. The cubic root of 53248449 is about 376.2146074735.

The spelling of 53248449 in words is "fifty-three million, two hundred forty-eight thousand, four hundred forty-nine".

Divisors: 1 3 79 237 224677 674031 17749483 53248449