Search a number
-
+
514281 = 3171427
BaseRepresentation
bin1111101100011101001
3222010110110
41331203221
5112424111
615004533
74241235
oct1754351
9863413
10514281
11321429
12209749
13150111
14d55c5
15a25a6
hex7d8e9

514281 has 4 divisors (see below), whose sum is σ = 685712. Its totient is φ = 342852.

The previous prime is 514277. The next prime is 514289. The reversal of 514281 is 182415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 514281 - 22 = 514277 is a prime.

It is a super-2 number, since 2×5142812 = 528969893922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 514281.

It is not an unprimeable number, because it can be changed into a prime (514289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85711 + ... + 85716.

It is an arithmetic number, because the mean of its divisors is an integer number (171428).

2514281 is an apocalyptic number.

It is an amenable number.

514281 is a deficient number, since it is larger than the sum of its proper divisors (171431).

514281 is a wasteful number, since it uses less digits than its factorization.

514281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171430.

The product of its digits is 320, while the sum is 21.

The square root of 514281 is about 717.1338787144. The cubic root of 514281 is about 80.1186260945.

Adding to 514281 its reverse (182415), we get a palindrome (696696).

The spelling of 514281 in words is "five hundred fourteen thousand, two hundred eighty-one".

Divisors: 1 3 171427 514281