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234450 = 23252521
BaseRepresentation
bin111001001111010010
3102220121100
4321033102
530000300
65005230
71664346
oct711722
9386540
10234450
11150167
12b3816
1382938
1461626
1549700
hex393d2

234450 has 36 divisors (see below), whose sum is σ = 631098. Its totient is φ = 62400.

The previous prime is 234431. The next prime is 234457. The reversal of 234450 is 54432.

It is a happy number.

234450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 149769 + 84681 = 387^2 + 291^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (234457) by changing a digit.

234450 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 17 ways as a sum of consecutive naturals, for example, 190 + ... + 710.

2234450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315549).

234450 is an abundant number, since it is smaller than the sum of its proper divisors (396648).

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

234450 is a wasteful number, since it uses less digits than its factorization.

234450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 234450 is about 484.2003717471. The cubic root of 234450 is about 61.6618777224.

Subtracting from 234450 its sum of digits (18), we obtain a palindrome (234432).

Adding to 234450 its reverse (54432), we get a palindrome (288882).

The spelling of 234450 in words is "two hundred thirty-four thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 521 1042 1563 2605 3126 4689 5210 7815 9378 13025 15630 23445 26050 39075 46890 78150 117225 234450