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530650 = 25210613
BaseRepresentation
bin10000001100011011010
3222221220201
42001203122
5113440100
615212414
74340041
oct2014332
9887821
10530650
1133275a
1221710a
131576c3
14db558
15a736a
hex818da

530650 has 12 divisors (see below), whose sum is σ = 987102. Its totient is φ = 212240.

The previous prime is 530641. The next prime is 530653. The reversal of 530650 is 56035.

It can be written as a sum of positive squares in 3 ways, for example, as 516961 + 13689 = 719^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (530653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5257 + ... + 5356.

2530650 is an apocalyptic number.

530650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

530650 is a deficient number, since it is larger than the sum of its proper divisors (456452).

530650 is a wasteful number, since it uses less digits than its factorization.

530650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625 (or 10620 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 530650 is about 728.4572739701. The cubic root of 530650 is about 80.9597930820.

Adding to 530650 its reverse (56035), we get a palindrome (586685).

It can be divided in two parts, 5306 and 50, that added together give a triangular number (5356 = T103).

The spelling of 530650 in words is "five hundred thirty thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 10613 21226 53065 106130 265325 530650