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510145313 = 2322180231
BaseRepresentation
bin11110011010000…
…011001100100001
31022112221001210212
4132122003030201
52021044122223
6122342103505
715433110056
oct3632031441
91275831725
10510145313
11241a667a7
12122a1ab95
13818c7b42
144ba7702d
152ebbe278
hex1e683321

510145313 has 4 divisors (see below), whose sum is σ = 532325568. Its totient is φ = 487965060.

The previous prime is 510145283. The next prime is 510145327. The reversal of 510145313 is 313541015.

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 a cyclic number.

It is not a de Polignac number, because 510145313 - 218 = 509883169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 22180231 = 510145313 / (5 + 1 + 0 + 1 + 4 + 5 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (510145373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11090093 + ... + 11090138.

It is an arithmetic number, because the mean of its divisors is an integer number (133081392).

Almost surely, 2510145313 is an apocalyptic number.

It is an amenable number.

510145313 is a deficient number, since it is larger than the sum of its proper divisors (22180255).

510145313 is a wasteful number, since it uses less digits than its factorization.

510145313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22180254.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 510145313 is about 22586.3966360285. The cubic root of 510145313 is about 799.0328484310.

Adding to 510145313 its reverse (313541015), we get a palindrome (823686328).

The spelling of 510145313 in words is "five hundred ten million, one hundred forty-five thousand, three hundred thirteen".

Divisors: 1 23 22180231 510145313