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3122433421 = 14920955929
BaseRepresentation
bin1011101000011100…
…1000110110001101
322001121102001102021
42322013020312031
522343320332141
61233500330141
7140243150302
oct27207106615
98047361367
103122433421
111362594498
12731843951
133a9b80c53
142189970a9
151341ca6d1
hexba1c8d8d

3122433421 has 4 divisors (see below), whose sum is σ = 3143389500. Its totient is φ = 3101477344.

The previous prime is 3122433383. The next prime is 3122433443. The reversal of 3122433421 is 1243342213.

3122433421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1774515625 + 1347917796 = 42125^2 + 36714^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122433421 - 227 = 2988215693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122433481) 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, 10477816 + ... + 10478113.

It is an arithmetic number, because the mean of its divisors is an integer number (785847375).

Almost surely, 23122433421 is an apocalyptic number.

It is an amenable number.

3122433421 is a deficient number, since it is larger than the sum of its proper divisors (20956079).

3122433421 is a wasteful number, since it uses less digits than its factorization.

3122433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20956078.

The product of its digits is 3456, while the sum is 25.

The square root of 3122433421 is about 55878.7385415956. The cubic root of 3122433421 is about 1461.6085076122.

Adding to 3122433421 its reverse (1243342213), we get a palindrome (4365775634).

The spelling of 3122433421 in words is "three billion, one hundred twenty-two million, four hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 149 20955929 3122433421