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243423141 = 3136241619
BaseRepresentation
bin11101000001001…
…01011110100101
3121222001011202220
432200211132211
5444304020031
640053222553
76014030313
oct1640453645
9558034686
10243423141
11115451455
1269631a59
133b57bc80
14244870b3
1516585596
hexe8257a5

243423141 has 8 divisors (see below), whose sum is σ = 349530720. Its totient is φ = 149798832.

The previous prime is 243423133. The next prime is 243423143. The reversal of 243423141 is 141324342.

243423141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 243423141 - 23 = 243423133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243423143) 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, 3120771 + ... + 3120848.

It is an arithmetic number, because the mean of its divisors is an integer number (43691340).

Almost surely, 2243423141 is an apocalyptic number.

It is an amenable number.

243423141 is a deficient number, since it is larger than the sum of its proper divisors (106107579).

243423141 is a wasteful number, since it uses less digits than its factorization.

243423141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241635.

The product of its digits is 2304, while the sum is 24.

The square root of 243423141 is about 15602.0236187489. The cubic root of 243423141 is about 624.3871462395.

Adding to 243423141 its reverse (141324342), we get a palindrome (384747483).

The spelling of 243423141 in words is "two hundred forty-three million, four hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 3 13 39 6241619 18724857 81141047 243423141