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52250609 = 154333863
BaseRepresentation
bin1100011101010…
…0011111110001
310122022121100202
43013110133301
5101334004414
65103524545
71203060065
oct307243761
9118277322
1052250609
1127548724
12155b9755
13aa95928
146d21aa5
1548c19de
hex31d47f1

52250609 has 4 divisors (see below), whose sum is σ = 52286016. Its totient is φ = 52215204.

The previous prime is 52250603. The next prime is 52250617. The reversal of 52250609 is 90605225.

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 52250609 - 28 = 52250353 is a prime.

It is a super-2 number, since 2×522506092 = 5460252281741762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52250603) 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, 15389 + ... + 18474.

It is an arithmetic number, because the mean of its divisors is an integer number (13071504).

Almost surely, 252250609 is an apocalyptic number.

It is an amenable number.

52250609 is a deficient number, since it is larger than the sum of its proper divisors (35407).

52250609 is a wasteful number, since it uses less digits than its factorization.

52250609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35406.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 52250609 is about 7228.4582726886. The cubic root of 52250609 is about 373.8497709429.

The spelling of 52250609 in words is "fifty-two million, two hundred fifty thousand, six hundred nine".

Divisors: 1 1543 33863 52250609