Search a number
-
+
522266087 = 7337221393
BaseRepresentation
bin11111001000010…
…010010111100111
31100101201212101102
4133020102113213
52032200003322
6123453550315
715641121440
oct3710222747
91311655342
10522266087
11248895272
12126aa539b
138427cab5
144d5102c7
1530cb5792
hex1f2125e7

522266087 has 8 divisors (see below), whose sum is σ = 598649376. Its totient is φ = 446326272.

The previous prime is 522266047. The next prime is 522266093. The reversal of 522266087 is 780662225.

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

It is not a de Polignac number, because 522266087 - 214 = 522249703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522266087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522266047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108338 + ... + 113055.

It is an arithmetic number, because the mean of its divisors is an integer number (74831172).

Almost surely, 2522266087 is an apocalyptic number.

522266087 is a deficient number, since it is larger than the sum of its proper divisors (76383289).

522266087 is a wasteful number, since it uses less digits than its factorization.

522266087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221737.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 522266087 is about 22853.1417314994. The cubic root of 522266087 is about 805.3115762109.

The spelling of 522266087 in words is "five hundred twenty-two million, two hundred sixty-six thousand, eighty-seven".

Divisors: 1 7 337 2359 221393 1549751 74609441 522266087