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235031 = 972423
BaseRepresentation
bin111001011000010111
3102221101212
4321120113
530010111
65012035
71666136
oct713027
9387355
10235031
11150645
12b401b
1382c94
146191d
154998b
hex39617

235031 has 4 divisors (see below), whose sum is σ = 237552. Its totient is φ = 232512.

The previous prime is 235013. The next prime is 235043. The reversal of 235031 is 130532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 235031 - 26 = 234967 is a prime.

It is a super-2 number, since 2×2350312 = 110479141922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234997 and 235015.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 235031.

It is not an unprimeable number, because it can be changed into a prime (235051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (59388).

2235031 is an apocalyptic number.

235031 is a deficient number, since it is larger than the sum of its proper divisors (2521).

235031 is an equidigital number, since it uses as much as digits as its factorization.

235031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

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

The square root of 235031 is about 484.7999587459. The cubic root of 235031 is about 61.7127713004.

Adding to 235031 its reverse (130532), we get a palindrome (365563).

The spelling of 235031 in words is "two hundred thirty-five thousand, thirty-one".

Divisors: 1 97 2423 235031