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531130 = 2553113
BaseRepresentation
bin10000001101010111010
3222222120111
42001222322
5113444010
615214534
74341325
oct2015272
9888514
10531130
11333056
1221744a
131579a2
14db7bc
15a758a
hex81aba

531130 has 8 divisors (see below), whose sum is σ = 956052. Its totient is φ = 212448.

The previous prime is 531121. The next prime is 531133. The reversal of 531130 is 31135.

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 2601 = 727^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 531130.

It is not an unprimeable number, because it can be changed into a prime (531133) 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, 26547 + ... + 26566.

2531130 is an apocalyptic number.

531130 is a deficient number, since it is larger than the sum of its proper divisors (424922).

531130 is a wasteful number, since it uses less digits than its factorization.

531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53120.

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

The square root of 531130 is about 728.7866628856. The cubic root of 531130 is about 80.9841964799.

Adding to 531130 its reverse (31135), we get a palindrome (562265).

It can be divided in two parts, 5311 and 30, that multiplied together give a triangular number (159330 = T564).

The spelling of 531130 in words is "five hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 53113 106226 265565 531130