Search a number
-
+
203190 = 23513521
BaseRepresentation
bin110001100110110110
3101022201120
4301212312
523000230
64204410
71504251
oct614666
9338646
10203190
11129729
1299706
1371640
1454098
1540310
hex319b6

203190 has 32 divisors (see below), whose sum is σ = 526176. Its totient is φ = 49920.

The previous prime is 203183. The next prime is 203207. The reversal of 203190 is 91302.

203190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2031902 = 82572352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (16443).

2203190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263088).

203190 is an abundant number, since it is smaller than the sum of its proper divisors (322986).

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

203190 is a wasteful number, since it uses less digits than its factorization.

203190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 203190 is about 450.7660146905. The cubic root of 203190 is about 58.7896367501.

Adding to 203190 its reverse (91302), we get a palindrome (294492).

It can be divided in two parts, 203 and 190, that added together give a palindrome (393).

The spelling of 203190 in words is "two hundred three thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 521 1042 1563 2605 3126 5210 6773 7815 13546 15630 20319 33865 40638 67730 101595 203190