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1004332431 = 31093071353
BaseRepresentation
bin111011110111001…
…110010110001111
32120222211101002110
4323313032112033
54024102114211
6243354155103
733613453614
oct7367162617
92528741073
101004332431
11475a12903
12240422a93
131300c615b
149755850b
155d289ea6
hex3bdce58f

1004332431 has 8 divisors (see below), whose sum is σ = 1351395760. Its totient is φ = 663412032.

The previous prime is 1004332423. The next prime is 1004332463. The reversal of 1004332431 is 1342334001.

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

It is not a de Polignac number, because 1004332431 - 23 = 1004332423 is a prime.

It is a super-2 number, since 2×10043324312 = 2017367263916739522, 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 = 1004332398 and 1004332407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004332481) 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, 1535350 + ... + 1536003.

It is an arithmetic number, because the mean of its divisors is an integer number (168924470).

Almost surely, 21004332431 is an apocalyptic number.

1004332431 is a deficient number, since it is larger than the sum of its proper divisors (347063329).

1004332431 is a wasteful number, since it uses less digits than its factorization.

1004332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071465.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1004332431 is about 31691.2043160243. The cubic root of 1004332431 is about 1001.4420631210.

Adding to 1004332431 its reverse (1342334001), we get a palindrome (2346666432).

The spelling of 1004332431 in words is "one billion, four million, three hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 3 109 327 3071353 9214059 334777477 1004332431