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525299947 = 1496475449
BaseRepresentation
bin11111010011110…
…111000011101011
31100121110000001121
4133103313003223
52033434044242
6124043000111
716005655504
oct3723670353
91317400047
10525299947
1124a577697
12127b09037
1384aa2993
144da9dbab
15311b4667
hex1f4f70eb

525299947 has 8 divisors (see below), whose sum is σ = 529740000. Its totient is φ = 520872384.

The previous prime is 525299941. The next prime is 525299959. The reversal of 525299947 is 749992525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-525299947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525299894 and 525299903.

It is not an unprimeable number, because it can be changed into a prime (525299941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93679 + ... + 99127.

It is an arithmetic number, because the mean of its divisors is an integer number (66217500).

Almost surely, 2525299947 is an apocalyptic number.

525299947 is a deficient number, since it is larger than the sum of its proper divisors (4440053).

525299947 is a wasteful number, since it uses less digits than its factorization.

525299947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245.

The product of its digits is 2041200, while the sum is 52.

The square root of 525299947 is about 22919.4229203093. The cubic root of 525299947 is about 806.8679264878.

The spelling of 525299947 in words is "five hundred twenty-five million, two hundred ninety-nine thousand, nine hundred forty-seven".

Divisors: 1 149 647 5449 96403 811901 3525503 525299947