Search a number
-
+
231350 = 2527661
BaseRepresentation
bin111000011110110110
3102202100112
4320132312
524400400
64543022
71652330
oct703666
9382315
10231350
111488a9
12b1a72
13813c2
1460450
1548835
hex387b6

231350 has 24 divisors (see below), whose sum is σ = 492528. Its totient is φ = 79200.

The previous prime is 231349. The next prime is 231359. The reversal of 231350 is 53132.

231350 is digitally balanced in base 3, 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 (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (20522).

2231350 is an apocalyptic number.

231350 is an abundant number, since it is smaller than the sum of its proper divisors (261178).

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

231350 is a wasteful number, since it uses less digits than its factorization.

231350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 231350 is about 480.9885653526. The cubic root of 231350 is about 61.3888976096.

Adding to 231350 its reverse (53132), we get a palindrome (284482).

The spelling of 231350 in words is "two hundred thirty-one thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 661 1322 3305 4627 6610 9254 16525 23135 33050 46270 115675 231350