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1232401017 = 3410800339
BaseRepresentation
bin100100101110100…
…1111001001111001
310011212222110101010
41021131033021321
510010443313032
6322142344133
742353143611
oct11135171171
93155873333
101232401017
11582727141
122a488b049
1316842a293
14b9965a41
15732daccc
hex4974f279

1232401017 has 4 divisors (see below), whose sum is σ = 1643201360. Its totient is φ = 821600676.

The previous prime is 1232401007. The next prime is 1232401021. The reversal of 1232401017 is 7101042321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7101042321 = 32367014107.

It is not a de Polignac number, because 1232401017 - 223 = 1224012409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232400984 and 1232401002.

It is not an unprimeable number, because it can be changed into a prime (1232401007) 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, 205400167 + ... + 205400172.

It is an arithmetic number, because the mean of its divisors is an integer number (410800340).

Almost surely, 21232401017 is an apocalyptic number.

It is an amenable number.

1232401017 is a deficient number, since it is larger than the sum of its proper divisors (410800343).

1232401017 is an equidigital number, since it uses as much as digits as its factorization.

1232401017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410800342.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1232401017 is about 35105.5696008482. The cubic root of 1232401017 is about 1072.1379842178.

Adding to 1232401017 its reverse (7101042321), we get a palindrome (8333443338).

The spelling of 1232401017 in words is "one billion, two hundred thirty-two million, four hundred one thousand, seventeen".

Divisors: 1 3 410800339 1232401017