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530138 = 27191993
BaseRepresentation
bin10000001011011011010
3222221012202
42001123122
5113431023
615210202
74335410
oct2013332
9887182
10530138
11332334
12216962
131573bb
14db2b0
15a7128
hex816da

530138 has 16 divisors (see below), whose sum is σ = 957120. Its totient is φ = 215136.

The previous prime is 530137. The next prime is 530143. The reversal of 530138 is 831035.

It is not an unprimeable number, because it can be changed into a prime (530137) 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, 731 + ... + 1262.

It is an arithmetic number, because the mean of its divisors is an integer number (59820).

2530138 is an apocalyptic number.

530138 is a deficient number, since it is larger than the sum of its proper divisors (426982).

530138 is a wasteful number, since it uses less digits than its factorization.

530138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 530138 is about 728.1057615484. The cubic root of 530138 is about 80.9337465650.

The spelling of 530138 in words is "five hundred thirty thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 19 38 133 266 1993 3986 13951 27902 37867 75734 265069 530138