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1244410001 = 1766970429
BaseRepresentation
bin100101000101100…
…0011000010010001
310012201120120121022
41022023003002101
510022032110001
6323252005225
742560211332
oct11213030221
93181516538
101244410001
1158948971a
122a8900815
1316aa733a3
14bb3b0289
15743ae11b
hex4a2c3091

1244410001 has 4 divisors (see below), whose sum is σ = 1244498100. Its totient is φ = 1244321904.

The previous prime is 1244409989. The next prime is 1244410099. The reversal of 1244410001 is 1000144421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 422097025 + 822312976 = 20545^2 + 28676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244410001 - 214 = 1244393617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244410201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17546 + ... + 52883.

It is an arithmetic number, because the mean of its divisors is an integer number (311124525).

Almost surely, 21244410001 is an apocalyptic number.

It is an amenable number.

1244410001 is a deficient number, since it is larger than the sum of its proper divisors (88099).

1244410001 is an equidigital number, since it uses as much as digits as its factorization.

1244410001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88098.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1244410001 is about 35276.1959542125. The cubic root of 1244410001 is about 1075.6091736796.

Adding to 1244410001 its reverse (1000144421), we get a palindrome (2244554422).

The spelling of 1244410001 in words is "one billion, two hundred forty-four million, four hundred ten thousand, one".

Divisors: 1 17669 70429 1244410001