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52248881 = 419124699
BaseRepresentation
bin1100011101010…
…0000100110001
310122022111222202
43013110010301
5101333431011
65103512545
71203052046
oct307240461
9118274882
1052248881
11275473a3
12155b8755
13aa94bc9
146d211cd
1548c123b
hex31d4131

52248881 has 4 divisors (see below), whose sum is σ = 52374000. Its totient is φ = 52123764.

The previous prime is 52248877. The next prime is 52248887. The reversal of 52248881 is 18884225.

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 52248881 - 22 = 52248877 is a prime.

It is a super-2 number, since 2×522488812 = 5459891131504322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52248887) 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, 61931 + ... + 62768.

It is an arithmetic number, because the mean of its divisors is an integer number (13093500).

Almost surely, 252248881 is an apocalyptic number.

It is an amenable number.

52248881 is a deficient number, since it is larger than the sum of its proper divisors (125119).

52248881 is a wasteful number, since it uses less digits than its factorization.

52248881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125118.

The product of its digits is 40960, while the sum is 38.

The square root of 52248881 is about 7228.3387441375. The cubic root of 52248881 is about 373.8456496543.

The spelling of 52248881 in words is "fifty-two million, two hundred forty-eight thousand, eight hundred eighty-one".

Divisors: 1 419 124699 52248881