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3000400565 = 531320143
BaseRepresentation
bin1011001011010110…
…0111101010110101
321202002210010210212
42302311213222311
522121100304230
61213420555205
7134231661341
oct26265475265
97662703725
103000400565
1112aa714398
126b89b2b05
1338a7c4966
142066ac621
15128622895
hexb2d67ab5

3000400565 has 16 divisors (see below), whose sum is σ = 3720677376. Its totient is φ = 2322775440.

The previous prime is 3000400549. The next prime is 3000400597. The reversal of 3000400565 is 5650040003.

It is not a de Polignac number, because 3000400565 - 24 = 3000400549 is a prime.

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 3000400565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138884 + ... + 159026.

It is an arithmetic number, because the mean of its divisors is an integer number (232542336).

Almost surely, 23000400565 is an apocalyptic number.

It is an amenable number.

3000400565 is a deficient number, since it is larger than the sum of its proper divisors (720276811).

3000400565 is an frugal number, since it uses more digits than its factorization.

3000400565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20241 (or 20179 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3000400565 is about 54775.9122699020. The cubic root of 3000400565 is about 1442.3137579728.

Adding to 3000400565 its reverse (5650040003), we get a palindrome (8650440568).

The spelling of 3000400565 in words is "three billion, four hundred thousand, five hundred sixty-five".

Divisors: 1 5 31 155 961 4805 20143 29791 100715 148955 624433 3122165 19357423 96787115 600080113 3000400565