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234421432 = 23717246241
BaseRepresentation
bin11011111100011…
…11110010111000
3121100002211202021
431332033302320
5440002441212
635132244224
75544356260
oct1576176270
9540084667
10234421432
11110363323
1266610674
133974990b
14231c27a0
15158a8307
hexdf8fcb8

234421432 has 32 divisors (see below), whose sum is σ = 531882720. Its totient is φ = 94556160.

The previous prime is 234421417. The next prime is 234421433. The reversal of 234421432 is 234124432.

It is a happy number.

234421432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 234421397 and 234421406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234421433) 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, 122169 + ... + 124072.

It is an arithmetic number, because the mean of its divisors is an integer number (16621335).

Almost surely, 2234421432 is an apocalyptic number.

It is an amenable number.

234421432 is an abundant number, since it is smaller than the sum of its proper divisors (297461288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234421432 is a wasteful number, since it uses less digits than its factorization.

234421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246271 (or 246267 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 234421432 is about 15310.8272800656. The cubic root of 234421432 is about 616.5937309730.

Adding to 234421432 its reverse (234124432), we get a palindrome (468545864).

The spelling of 234421432 in words is "two hundred thirty-four million, four hundred twenty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 246241 492482 984964 1723687 1969928 3447374 4186097 6894748 8372194 13789496 16744388 29302679 33488776 58605358 117210716 234421432