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530180 = 22572541
BaseRepresentation
bin10000001011100000100
3222221021022
42001130010
5113431210
615210312
74335500
oct2013404
9887238
10530180
11332372
12216998
13157421
14db300
15a7155
hex81704

530180 has 36 divisors (see below), whose sum is σ = 1297548. Its totient is φ = 181440.

The previous prime is 530177. The next prime is 530183. The reversal of 530180 is 81035.

It is an interprime number because it is at equal distance from previous prime (530177) and next prime (530183).

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 329476 = 448^2 + 574^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (530183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710 + ... + 1250.

It is an arithmetic number, because the mean of its divisors is an integer number (36043).

2530180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648774).

530180 is an abundant number, since it is smaller than the sum of its proper divisors (767368).

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

530180 is a wasteful number, since it uses less digits than its factorization.

530180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 530180 is about 728.1346029410. The cubic root of 530180 is about 80.9358838246.

The spelling of 530180 in words is "five hundred thirty thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 541 980 1082 2164 2705 3787 5410 7574 10820 15148 18935 26509 37870 53018 75740 106036 132545 265090 530180