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1004422231 = 1247980489
BaseRepresentation
bin111011110111100…
…100010001010111
32120222222221021101
4323313210101113
54024113002411
6243400130531
733614306461
oct7367442127
92528887241
101004422231
11475a7431a
12240466a47
13130127ca7
149757d131
155d2a68c1
hex3bde4457

1004422231 has 4 divisors (see below), whose sum is σ = 1004515200. Its totient is φ = 1004329264.

The previous prime is 1004422229. The next prime is 1004422267. The reversal of 1004422231 is 1322244001.

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 is a cyclic number.

It is not a de Polignac number, because 1004422231 - 21 = 1004422229 is a prime.

It is a super-2 number, since 2×10044222312 = 2017728036254034722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004422199 and 1004422208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004422291) 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, 27766 + ... + 52723.

It is an arithmetic number, because the mean of its divisors is an integer number (251128800).

Almost surely, 21004422231 is an apocalyptic number.

1004422231 is a deficient number, since it is larger than the sum of its proper divisors (92969).

1004422231 is an equidigital number, since it uses as much as digits as its factorization.

1004422231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92968.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1004422231 is about 31692.6210812549. The cubic root of 1004422231 is about 1001.4719094197.

Adding to 1004422231 its reverse (1322244001), we get a palindrome (2326666232).

It can be divided in two parts, 1004422 and 231, that added together give a triangular number (1004653 = T1417).

The spelling of 1004422231 in words is "one billion, four million, four hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 12479 80489 1004422231