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235430 = 25131811
BaseRepresentation
bin111001011110100110
3102221221122
4321132212
530013210
65013542
72000246
oct713646
9387848
10235430
11150978
12b42b2
1383210
1461b26
1549b55
hex397a6

235430 has 16 divisors (see below), whose sum is σ = 456624. Its totient is φ = 86880.

The previous prime is 235397. The next prime is 235439. The reversal of 235430 is 34532.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 235399 and 235408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235439) by changing a digit.

235430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 776 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (28539).

2235430 is an apocalyptic number.

235430 is a deficient number, since it is larger than the sum of its proper divisors (221194).

235430 is a wasteful number, since it uses less digits than its factorization.

235430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 235430 is about 485.2112941802. The cubic root of 235430 is about 61.7476737528.

Adding to 235430 its reverse (34532), we get a palindrome (269962).

The spelling of 235430 in words is "two hundred thirty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1811 3622 9055 18110 23543 47086 117715 235430