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514381 = 773483
BaseRepresentation
bin1111101100101001101
3222010121011
41331211031
5112430011
615005221
74241440
oct1754515
9863534
10514381
1132150a
12209811
1315018a
14d5657
15a2621
hex7d94d

514381 has 4 divisors (see below), whose sum is σ = 587872. Its totient is φ = 440892.

The previous prime is 514379. The next prime is 514399. The reversal of 514381 is 183415.

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, and also an emirpimes, since its reverse is a distinct semiprime: 183415 = 536683.

It is a cyclic number.

It is not a de Polignac number, because 514381 - 21 = 514379 is a prime.

It is a super-2 number, since 2×5143812 = 529175626322, which contains 22 as substring.

It is a Duffinian number.

514381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514361) 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, 36735 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (146968).

2514381 is an apocalyptic number.

It is an amenable number.

514381 is a deficient number, since it is larger than the sum of its proper divisors (73491).

514381 is an equidigital number, since it uses as much as digits as its factorization.

514381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73490.

The product of its digits is 480, while the sum is 22.

The square root of 514381 is about 717.2035973139. The cubic root of 514381 is about 80.1238186795.

Adding to 514381 its reverse (183415), we get a palindrome (697796).

The spelling of 514381 in words is "five hundred fourteen thousand, three hundred eighty-one".

Divisors: 1 7 73483 514381