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516330 = 23255737
BaseRepresentation
bin1111110000011101010
3222020021100
41332003222
5113010310
615022230
74250223
oct1760352
9866240
10516330
11322a21
1220a976
13151029
14d624a
15a2ec0
hex7e0ea

516330 has 24 divisors (see below), whose sum is σ = 1342692. Its totient is φ = 137664.

The previous prime is 516323. The next prime is 516349. The reversal of 516330 is 33615.

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 84681 = 657^2 + 291^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

516330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2779 + ... + 2958.

2516330 is an apocalyptic number.

516330 is an abundant number, since it is smaller than the sum of its proper divisors (826362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516330 is a wasteful number, since it uses less digits than its factorization.

516330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 516330 is about 718.5610621235. The cubic root of 516330 is about 80.2248880580.

Adding to 516330 its reverse (33615), we get a palindrome (549945).

The spelling of 516330 in words is "five hundred sixteen thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5737 11474 17211 28685 34422 51633 57370 86055 103266 172110 258165 516330