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53247008 = 2513911971
BaseRepresentation
bin1100101100011…
…1110000100000
310201012020011102
43023013300200
5102112401013
65141133532
71214410043
oct313076040
9121166142
1053247008
11280692a1
12159ba2a8
13b054309
147100c5a
154a1bd58
hex32c7c20

53247008 has 24 divisors (see below), whose sum is σ = 105593040. Its totient is φ = 26429760.

The previous prime is 53246989. The next prime is 53247017. The reversal of 53247008 is 80074235.

It is a happy number.

It is an unprimeable number.

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, 1538 + ... + 10433.

It is an arithmetic number, because the mean of its divisors is an integer number (4399710).

Almost surely, 253247008 is an apocalyptic number.

It is an amenable number.

53247008 is a deficient number, since it is larger than the sum of its proper divisors (52346032).

53247008 is a wasteful number, since it uses less digits than its factorization.

53247008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120 (or 12112 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 53247008 is about 7297.0547483214. The cubic root of 53247008 is about 376.2112137588.

The spelling of 53247008 in words is "fifty-three million, two hundred forty-seven thousand, eight".

Divisors: 1 2 4 8 16 32 139 278 556 1112 2224 4448 11971 23942 47884 95768 191536 383072 1663969 3327938 6655876 13311752 26623504 53247008