Search a number
-
+
1004024401 = 1501366877
BaseRepresentation
bin111011110110000…
…011001001010001
32120222020201112221
4323312003021101
54024012240101
6243343421041
733611031562
oct7366031121
92528221487
101004024401
11475822436
122402b4781
13130018ba3
14974b8169
155d228aa1
hex3bd83251

1004024401 has 4 divisors (see below), whose sum is σ = 1004106292. Its totient is φ = 1003942512.

The previous prime is 1004024363. The next prime is 1004024423. The reversal of 1004024401 is 1044204001.

1004024401 is digitally balanced in base 2, 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 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 297528001 + 706496400 = 17249^2 + 26580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004024401 - 211 = 1004022353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004024491) 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, 18426 + ... + 48451.

It is an arithmetic number, because the mean of its divisors is an integer number (251026573).

Almost surely, 21004024401 is an apocalyptic number.

It is an amenable number.

1004024401 is a deficient number, since it is larger than the sum of its proper divisors (81891).

1004024401 is an equidigital number, since it uses as much as digits as its factorization.

1004024401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81890.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004024401 is about 31686.3440775360. The cubic root of 1004024401 is about 1001.3396714789.

Adding to 1004024401 its reverse (1044204001), we get a palindrome (2048228402).

The spelling of 1004024401 in words is "one billion, four million, twenty-four thousand, four hundred one".

Divisors: 1 15013 66877 1004024401