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530290 = 25192791
BaseRepresentation
bin10000001011101110010
3222221102101
42001131302
5113432130
615211014
74336015
oct2013562
9887371
10530290
11332462
12216a6a
131574a7
14db37c
15a71ca
hex81772

530290 has 16 divisors (see below), whose sum is σ = 1005120. Its totient is φ = 200880.

The previous prime is 530279. The next prime is 530293. The reversal of 530290 is 92035.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (530293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (62820).

2530290 is an apocalyptic number.

530290 is a deficient number, since it is larger than the sum of its proper divisors (474830).

530290 is a wasteful number, since it uses less digits than its factorization.

530290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 530290 is about 728.2101345079. The cubic root of 530290 is about 80.9414808743.

It can be divided in two parts, 530 and 290, that added together give a triangular number (820 = T40).

The spelling of 530290 in words is "five hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 2791 5582 13955 27910 53029 106058 265145 530290