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530838 = 232711383
BaseRepresentation
bin10000001100110010110
3222222011200
42001212112
5113441323
615213330
74340430
oct2014626
9888150
10530838
11332910
12217246
13157809
14db650
15a7443
hex81996

530838 has 48 divisors (see below), whose sum is σ = 1437696. Its totient is φ = 137520.

The previous prime is 530837. The next prime is 530843. The reversal of 530838 is 838035.

530838 = 422 + 432 + ... + 1182.

It is a Curzon number.

It is a nialpdrome in base 14 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (29952).

2530838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718848).

530838 is an abundant number, since it is smaller than the sum of its proper divisors (906858).

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

530838 is a wasteful number, since it uses less digits than its factorization.

530838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 530838 is about 728.5863023692. The cubic root of 530838 is about 80.9693528320.

The spelling of 530838 in words is "five hundred thirty thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 383 462 693 766 1149 1386 2298 2681 3447 4213 5362 6894 8043 8426 12639 16086 24129 25278 29491 37917 48258 58982 75834 88473 176946 265419 530838