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525252505 = 5139755759
BaseRepresentation
bin11111010011101…
…011011110011001
31100121100120222111
4133103223132121
52033431040010
6124041552321
716005400261
oct3723533631
91317316874
10525252505
1124a544a88
12127aa56a1
1384a871cb
144da8a7a1
15311a558a
hex1f4eb799

525252505 has 8 divisors (see below), whose sum is σ = 634838400. Its totient is φ = 417178416.

The previous prime is 525252487. The next prime is 525252521. The reversal of 525252505 is 505252525.

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

It is a cyclic number.

It is not a de Polignac number, because 525252505 - 217 = 525121433 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 377185 + ... + 378574.

It is an arithmetic number, because the mean of its divisors is an integer number (79354800).

Almost surely, 2525252505 is an apocalyptic number.

It is an amenable number.

525252505 is a deficient number, since it is larger than the sum of its proper divisors (109585895).

525252505 is a wasteful number, since it uses less digits than its factorization.

525252505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755903.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 525252505 is about 22918.3879232375. The cubic root of 525252505 is about 806.8436352355.

The spelling of 525252505 in words is "five hundred twenty-five million, two hundred fifty-two thousand, five hundred five".

Divisors: 1 5 139 695 755759 3778795 105050501 525252505