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235530321 = 3136039239
BaseRepresentation
bin11100000100111…
…10100001010001
3121102012011212020
432002132201101
5440243432241
635212122053
75556655215
oct1602364121
9542164766
10235530321
11110a50464
1266a66329
1339a47570
14233d0945
1515a26b66
hexe09e851

235530321 has 8 divisors (see below), whose sum is σ = 338197440. Its totient is φ = 144941712.

The previous prime is 235530319. The next prime is 235530341. The reversal of 235530321 is 123035532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 235530321 - 21 = 235530319 is a prime.

It is a super-2 number, since 2×2355303212 = 110949064220726082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235530291 and 235530300.

It is not an unprimeable number, because it can be changed into a prime (235530341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019581 + ... + 3019658.

It is an arithmetic number, because the mean of its divisors is an integer number (42274680).

Almost surely, 2235530321 is an apocalyptic number.

It is an amenable number.

235530321 is a deficient number, since it is larger than the sum of its proper divisors (102667119).

235530321 is a wasteful number, since it uses less digits than its factorization.

235530321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039255.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 235530321 is about 15346.9971329899. The cubic root of 235530321 is about 617.5644310921.

Adding to 235530321 its reverse (123035532), we get a palindrome (358565853).

The spelling of 235530321 in words is "two hundred thirty-five million, five hundred thirty thousand, three hundred twenty-one".

Divisors: 1 3 13 39 6039239 18117717 78510107 235530321