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235230213 = 3611285411
BaseRepresentation
bin11100000010101…
…01010000000101
3121101121221012010
432001111100011
5440204331323
635201444433
75554265241
oct1601252005
9541557163
10235230213
11110865a39
1266940719
1339970a9a
1423353421
15159b7c93
hexe055405

235230213 has 8 divisors (see below), whose sum is σ = 318782176. Its totient is φ = 154249200.

The previous prime is 235230211. The next prime is 235230251. The reversal of 235230213 is 312032532.

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

It is not a de Polignac number, because 235230213 - 21 = 235230211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235230213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235230211) 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, 642523 + ... + 642888.

It is an arithmetic number, because the mean of its divisors is an integer number (39847772).

Almost surely, 2235230213 is an apocalyptic number.

It is an amenable number.

235230213 is a deficient number, since it is larger than the sum of its proper divisors (83551963).

235230213 is a wasteful number, since it uses less digits than its factorization.

235230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285475.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 235230213 is about 15337.2165988487. The cubic root of 235230213 is about 617.3020235481.

Adding to 235230213 its reverse (312032532), we get a palindrome (547262745).

The spelling of 235230213 in words is "two hundred thirty-five million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 61 183 1285411 3856233 78410071 235230213