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12310401 = 34103467
BaseRepresentation
bin101110111101…
…011110000001
3212011102200210
4232331132001
511122413101
61115504333
7206431245
oct56753601
925142623
1012310401
116a48a94
1241580a9
13272037c
1418c6425
1511327d6
hexbbd781

12310401 has 4 divisors (see below), whose sum is σ = 16413872. Its totient is φ = 8206932.

The previous prime is 12310387. The next prime is 12310411. The reversal of 12310401 is 10401321.

It is a happy number.

12310401 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12310401 - 25 = 12310369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12310411) 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, 2051731 + ... + 2051736.

It is an arithmetic number, because the mean of its divisors is an integer number (4103468).

Almost surely, 212310401 is an apocalyptic number.

It is an amenable number.

12310401 is a deficient number, since it is larger than the sum of its proper divisors (4103471).

12310401 is an equidigital number, since it uses as much as digits as its factorization.

12310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103470.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12310401 is about 3508.6181040404. The cubic root of 12310401 is about 230.9000710934.

Adding to 12310401 its reverse (10401321), we get a palindrome (22711722).

The spelling of 12310401 in words is "twelve million, three hundred ten thousand, four hundred one".

Divisors: 1 3 4103467 12310401