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234408231 = 3226045359
BaseRepresentation
bin11011111100011…
…00100100100111
3121100002011122100
431332030210213
5440002030411
635132103143
75544302631
oct1576144447
9540064570
10234408231
11110354412
1266604ab3
13397438c5
14231bba51
15158a4456
hexdf8c927

234408231 has 6 divisors (see below), whose sum is σ = 338589680. Its totient is φ = 156272148.

The previous prime is 234408227. The next prime is 234408259. The reversal of 234408231 is 132804432.

234408231 is a `hidden beast` number, since 23 + 4 + 408 + 231 = 666.

It is not a de Polignac number, because 234408231 - 22 = 234408227 is a prime.

It is a super-2 number, since 2×2344082312 = 109894437521098722, 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 = 234408195 and 234408204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234408211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13022671 + ... + 13022688.

Almost surely, 2234408231 is an apocalyptic number.

234408231 is a deficient number, since it is larger than the sum of its proper divisors (104181449).

234408231 is a wasteful number, since it uses less digits than its factorization.

234408231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26045365 (or 26045362 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 234408231 is about 15310.3961738421. The cubic root of 234408231 is about 616.5821566521.

The spelling of 234408231 in words is "two hundred thirty-four million, four hundred eight thousand, two hundred thirty-one".

Divisors: 1 3 9 26045359 78136077 234408231