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1244232401 = 17946315013
BaseRepresentation
bin100101000101001…
…0111101011010001
310012201020112222112
41022022113223101
510022010414101
6323244115105
742555541466
oct11212275321
93181215875
101244232401
11589378245
122a8835a95
1316aa105b9
14bb36566d
15743766bb
hex4a297ad1

1244232401 has 8 divisors (see below), whose sum is σ = 1253969280. Its totient is φ = 1234526832.

The previous prime is 1244232389. The next prime is 1244232419. The reversal of 1244232401 is 1042324421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244232401 - 230 = 170490577 is a prime.

It is a super-2 number, since 2×12442324012 = 3096228535396449602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244232421) 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, 75371 + ... + 90383.

It is an arithmetic number, because the mean of its divisors is an integer number (156746160).

Almost surely, 21244232401 is an apocalyptic number.

It is an amenable number.

1244232401 is a deficient number, since it is larger than the sum of its proper divisors (9736879).

1244232401 is a wasteful number, since it uses less digits than its factorization.

1244232401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15655.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1244232401 is about 35273.6785861639. The cubic root of 1244232401 is about 1075.5580015639.

Adding to 1244232401 its reverse (1042324421), we get a palindrome (2286556822).

The spelling of 1244232401 in words is "one billion, two hundred forty-four million, two hundred thirty-two thousand, four hundred one".

Divisors: 1 179 463 15013 82877 2687327 6951019 1244232401