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52224449 = 193270593
BaseRepresentation
bin1100011100111…
…0000111000001
310122021021110212
43013032013001
5101332140244
65103203505
71202620604
oct307160701
9118237425
1052224449
1127530002
12155a6595
13aa86a54
146d1633b
1548b8d9e
hex31ce1c1

52224449 has 4 divisors (see below), whose sum is σ = 52495236. Its totient is φ = 51953664.

The previous prime is 52224433. The next prime is 52224461. The reversal of 52224449 is 94442225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 47679025 = 2132^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 52224449 - 24 = 52224433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52224409) 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, 135104 + ... + 135489.

It is an arithmetic number, because the mean of its divisors is an integer number (13123809).

Almost surely, 252224449 is an apocalyptic number.

It is an amenable number.

52224449 is a deficient number, since it is larger than the sum of its proper divisors (270787).

52224449 is a wasteful number, since it uses less digits than its factorization.

52224449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270786.

The product of its digits is 23040, while the sum is 32.

The square root of 52224449 is about 7226.6485316501. The cubic root of 52224449 is about 373.7873694845.

The spelling of 52224449 in words is "fifty-two million, two hundred twenty-four thousand, four hundred forty-nine".

Divisors: 1 193 270593 52224449