Search a number
-
+
506512057 = 29137312721
BaseRepresentation
bin11110001100001…
…100001010111001
31022022002110220211
4132030030022321
52014131341212
6122132151121
715360165352
oct3614141271
91268073824
10506512057
1123aa05007
121217684a1
1380c2519c
144b3acd29
152e7029a7
hex1e30c2b9

506512057 has 8 divisors (see below), whose sum is σ = 524400840. Its totient is φ = 488651520.

The previous prime is 506512037. The next prime is 506512063. The reversal of 506512057 is 750215605.

It can be written as a sum of positive squares in 4 ways, for example, as 338964921 + 167547136 = 18411^2 + 12944^2 .

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 506512057 - 223 = 498123449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506512037) 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, 33457 + ... + 46177.

It is an arithmetic number, because the mean of its divisors is an integer number (65550105).

Almost surely, 2506512057 is an apocalyptic number.

It is an amenable number.

506512057 is a deficient number, since it is larger than the sum of its proper divisors (17888783).

506512057 is a wasteful number, since it uses less digits than its factorization.

506512057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14123.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 506512057 is about 22505.8227354611. The cubic root of 506512057 is about 797.1314227289.

The spelling of 506512057 in words is "five hundred six million, five hundred twelve thousand, fifty-seven".

Divisors: 1 29 1373 12721 39817 368909 17465933 506512057