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52254013 = 77464859
BaseRepresentation
bin1100011101010…
…1010100111101
310122022210000211
43013111110331
5101334112023
65103552421
71203103030
oct307252475
9118283024
1052254013
1127550239
12155bb711
13aa97346
146d23017
1548c2a0d
hex31d553d

52254013 has 4 divisors (see below), whose sum is σ = 59718880. Its totient is φ = 44789148.

The previous prime is 52254001. The next prime is 52254019. The reversal of 52254013 is 31045225.

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 52254013 - 213 = 52245821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52254019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3732423 + ... + 3732436.

It is an arithmetic number, because the mean of its divisors is an integer number (14929720).

Almost surely, 252254013 is an apocalyptic number.

It is an amenable number.

52254013 is a deficient number, since it is larger than the sum of its proper divisors (7464867).

52254013 is an equidigital number, since it uses as much as digits as its factorization.

52254013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464866.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52254013 is about 7228.6937270851. The cubic root of 52254013 is about 373.8578892342.

Adding to 52254013 its reverse (31045225), we get a palindrome (83299238).

The spelling of 52254013 in words is "fifty-two million, two hundred fifty-four thousand, thirteen".

Divisors: 1 7 7464859 52254013