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423316441 = 1987213043
BaseRepresentation
bin11001001110110…
…100101111011001
31002111112200222201
4121032310233121
51331332111231
6110001050201
713330062502
oct3116645731
91074480881
10423316441
111a7a509a9
12b9926961
1369916402
1440313ba9
152726c161
hex193b4bd9

423316441 has 4 divisors (see below), whose sum is σ = 423531472. Its totient is φ = 423101412.

The previous prime is 423316417. The next prime is 423316457. The reversal of 423316441 is 144613324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423316441 - 227 = 289098713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423313441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104535 + ... + 108508.

It is an arithmetic number, because the mean of its divisors is an integer number (105882868).

Almost surely, 2423316441 is an apocalyptic number.

It is an amenable number.

423316441 is a deficient number, since it is larger than the sum of its proper divisors (215031).

423316441 is a wasteful number, since it uses less digits than its factorization.

423316441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215030.

The product of its digits is 6912, while the sum is 28.

The square root of 423316441 is about 20574.6553069547. The cubic root of 423316441 is about 750.8532162539.

Adding to 423316441 its reverse (144613324), we get a palindrome (567929765).

The spelling of 423316441 in words is "four hundred twenty-three million, three hundred sixteen thousand, four hundred forty-one".

Divisors: 1 1987 213043 423316441