Search a number
-
+
506574993 = 31710991127
BaseRepresentation
bin11110001100011…
…011100010010001
31022022012200020210
4132030123202101
52014140344433
6122133354333
715360550011
oct3614334221
91268180223
10506574993
1123aa48321
121217989a9
1380c47a22
144b3c7c41
152e716463
hex1e31b891

506574993 has 16 divisors (see below), whose sum is σ = 721733760. Its totient is φ = 314931456.

The previous prime is 506574983. The next prime is 506575001. The reversal of 506574993 is 399475605.

It is not a de Polignac number, because 506574993 - 28 = 506574737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506574923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40005 + ... + 51122.

It is an arithmetic number, because the mean of its divisors is an integer number (45108360).

Almost surely, 2506574993 is an apocalyptic number.

It is an amenable number.

506574993 is a deficient number, since it is larger than the sum of its proper divisors (215158767).

506574993 is a wasteful number, since it uses less digits than its factorization.

506574993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91256.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 506574993 is about 22507.2209079664. The cubic root of 506574993 is about 797.1644368726.

The spelling of 506574993 in words is "five hundred six million, five hundred seventy-four thousand, nine hundred ninety-three".

Divisors: 1 3 17 51 109 327 1853 5559 91127 273381 1549159 4647477 9932843 29798529 168858331 506574993