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2004345431 = 111213150217
BaseRepresentation
bin111011101110111…
…1110001001010111
312011200112022000222
41313131332021113
513101103023211
6530520024555
7100445440454
oct16735761127
95150468028
102004345431
11939445430
1247b30215b
1325c33921a
141502aa82b
15bae701db
hex7777e257

2004345431 has 8 divisors (see below), whose sum is σ = 2188375824. Its totient is φ = 1820617920.

The previous prime is 2004345383. The next prime is 2004345437. The reversal of 2004345431 is 1345434002.

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

It is not a de Polignac number, because 2004345431 - 230 = 930603607 is a prime.

It is a super-2 number, since 2×20043454312 = 8034801213541151522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2004345431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004345437) 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, 61766 + ... + 88451.

It is an arithmetic number, because the mean of its divisors is an integer number (273546978).

Almost surely, 22004345431 is an apocalyptic number.

2004345431 is a deficient number, since it is larger than the sum of its proper divisors (184030393).

2004345431 is a wasteful number, since it uses less digits than its factorization.

2004345431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151441.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2004345431 is about 44769.9165846889. The cubic root of 2004345431 is about 1260.8328731671.

Adding to 2004345431 its reverse (1345434002), we get a palindrome (3349779433).

The spelling of 2004345431 in words is "two billion, four million, three hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 11 1213 13343 150217 1652387 182213221 2004345431