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513130 = 2523297
BaseRepresentation
bin1111101010001101010
3222001212211
41331101222
5112410010
614555334
74235002
oct1752152
9861784
10513130
11320582
12208b4a
1314c737
14d5002
15a208a
hex7d46a

513130 has 24 divisors (see below), whose sum is σ = 975492. Its totient is φ = 194304.

The previous prime is 513109. The next prime is 513131. The reversal of 513130 is 31315.

It can be written as a sum of positive squares in 2 ways, for example, as 508369 + 4761 = 713^2 + 69^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 513130.

It is not an unprimeable number, because it can be changed into a prime (513131) by changing a digit.

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, 5242 + ... + 5338.

2513130 is an apocalyptic number.

513130 is a deficient number, since it is larger than the sum of its proper divisors (462362).

513130 is a wasteful number, since it uses less digits than its factorization.

513130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 513130 is about 716.3309291103. The cubic root of 513130 is about 80.0588109220.

Adding to 513130 its reverse (31315), we get a palindrome (544445).

The spelling of 513130 in words is "five hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 97 115 194 230 485 529 970 1058 2231 2645 4462 5290 11155 22310 51313 102626 256565 513130