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234224231 = 373627947
BaseRepresentation
bin11011111010111…
…11101001100111
3121022201211020112
431331133221213
5434430133411
635124123235
75542605323
oct1575375147
9538654215
10234224231
1111023914a
126653651b
13396aac27
1423170983
1515869b8b
hexdf5fa67

234224231 has 4 divisors (see below), whose sum is σ = 234852552. Its totient is φ = 233595912.

The previous prime is 234224227. The next prime is 234224233. The reversal of 234224231 is 132422432.

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 234224231 - 22 = 234224227 is a prime.

It is a super-2 number, since 2×2342242312 = 109721980775082722, 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 = 234224197 and 234224206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234224233) 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, 313601 + ... + 314346.

It is an arithmetic number, because the mean of its divisors is an integer number (58713138).

Almost surely, 2234224231 is an apocalyptic number.

234224231 is a deficient number, since it is larger than the sum of its proper divisors (628321).

234224231 is an equidigital number, since it uses as much as digits as its factorization.

234224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628320.

The product of its digits is 2304, while the sum is 23.

The square root of 234224231 is about 15304.3860053254. The cubic root of 234224231 is about 616.4207845962.

Adding to 234224231 its reverse (132422432), we get a palindrome (366646663).

The spelling of 234224231 in words is "two hundred thirty-four million, two hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 373 627947 234224231