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235224513 = 338712019
BaseRepresentation
bin11100000010100…
…11110111000001
3121101121122101000
432001103313001
5440204141023
635201402213
75554242516
oct1601236701
9541548330
10235224513
11110861727
1266939369
133996b304
142335130d
15159b6243
hexe053dc1

235224513 has 8 divisors (see below), whose sum is σ = 348480800. Its totient is φ = 156816324.

The previous prime is 235224511. The next prime is 235224527. The reversal of 235224513 is 315422532.

It is a happy number.

It is not a de Polignac number, because 235224513 - 21 = 235224511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8712019 = 235224513 / (2 + 3 + 5 + 2 + 2 + 4 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235224511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4355983 + ... + 4356036.

It is an arithmetic number, because the mean of its divisors is an integer number (43560100).

Almost surely, 2235224513 is an apocalyptic number.

It is an amenable number.

235224513 is a deficient number, since it is larger than the sum of its proper divisors (113256287).

235224513 is an equidigital number, since it uses as much as digits as its factorization.

235224513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712028 (or 8712022 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 235224513 is about 15337.0307752185. The cubic root of 235224513 is about 617.2970374398.

The spelling of 235224513 in words is "two hundred thirty-five million, two hundred twenty-four thousand, five hundred thirteen".

Divisors: 1 3 9 27 8712019 26136057 78408171 235224513