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52547297 = 114777027
BaseRepresentation
bin1100100001110…
…0111011100001
310122212200100012
43020130323201
5101423003142
65114134305
71205434055
oct310347341
9118780305
1052547297
1127730620
1215721395
13ab6a99a
146d9bc65
15492e882
hex321cee1

52547297 has 4 divisors (see below), whose sum is σ = 57324336. Its totient is φ = 47770260.

The previous prime is 52547237. The next prime is 52547321. The reversal of 52547297 is 79274525.

52547297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 52547297 - 216 = 52481761 is a prime.

It is a super-2 number, since 2×525472972 = 5522436844012418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52547237) 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 3 ways as a sum of consecutive naturals, for example, 2388503 + ... + 2388524.

It is an arithmetic number, because the mean of its divisors is an integer number (14331084).

Almost surely, 252547297 is an apocalyptic number.

It is an amenable number.

52547297 is a deficient number, since it is larger than the sum of its proper divisors (4777039).

52547297 is a wasteful number, since it uses less digits than its factorization.

52547297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777038.

The product of its digits is 176400, while the sum is 41.

The square root of 52547297 is about 7248.9514414155. The cubic root of 52547297 is about 374.5560304354.

The spelling of 52547297 in words is "fifty-two million, five hundred forty-seven thousand, two hundred ninety-seven".

Divisors: 1 11 4777027 52547297