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530418 = 23773173
BaseRepresentation
bin10000001011111110010
3222221121010
42001133302
5113433133
615211350
74336260
oct2013762
9887533
10530418
11332569
12216b56
13157575
14db430
15a7263
hex817f2

530418 has 32 divisors (see below), whose sum is σ = 1236096. Its totient is φ = 148608.

The previous prime is 530401. The next prime is 530429. The reversal of 530418 is 814035.

530418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 9 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 530394 and 530403.

It is a congruent number.

It is an unprimeable number.

530418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980 + ... + 3152.

It is an arithmetic number, because the mean of its divisors is an integer number (38628).

2530418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618048).

530418 is an abundant number, since it is smaller than the sum of its proper divisors (705678).

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

530418 is a wasteful number, since it uses less digits than its factorization.

530418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 530418 is about 728.2980159248. The cubic root of 530418 is about 80.9479928307.

The spelling of 530418 in words is "five hundred thirty thousand, four hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 73 146 173 219 346 438 511 519 1022 1038 1211 1533 2422 3066 3633 7266 12629 25258 37887 75774 88403 176806 265209 530418