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52448609 = 301117419
BaseRepresentation
bin1100100000010…
…0110101100001
310122200122222002
43020010311201
5101411323414
65112053345
71204543253
oct310046541
9118618862
1052448609
1127673464
1215694255
13ab34aa5
146d73cd3
1549104de
hex3204d61

52448609 has 4 divisors (see below), whose sum is σ = 52469040. Its totient is φ = 52428180.

The previous prime is 52448567. The next prime is 52448629. The reversal of 52448609 is 90684425.

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 52448609 - 28 = 52448353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52448629) 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, 5699 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (13117260).

Almost surely, 252448609 is an apocalyptic number.

It is an amenable number.

52448609 is a deficient number, since it is larger than the sum of its proper divisors (20431).

52448609 is a wasteful number, since it uses less digits than its factorization.

52448609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 52448609 is about 7242.1411889026. The cubic root of 52448609 is about 374.3214014923.

The spelling of 52448609 in words is "fifty-two million, four hundred forty-eight thousand, six hundred nine".

Divisors: 1 3011 17419 52448609