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999341447 = 13217536563
BaseRepresentation
bin111011100100001…
…011110110000111
32120122102210202012
4323210023312013
54021312411242
6243055204435
733523155626
oct7344136607
92518383665
10999341447
11473114025
1223a81671b
1312c069500
1496a196bd
155cb01282
hex3b90bd87

999341447 has 24 divisors (see below), whose sum is σ = 1167578064. Its totient is φ = 851695104.

The previous prime is 999341417. The next prime is 999341471. The reversal of 999341447 is 744143999.

It is not a de Polignac number, because 999341447 - 26 = 999341383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 999341395 and 999341404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999341407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148988 + ... + 155550.

It is an arithmetic number, because the mean of its divisors is an integer number (48649086).

Almost surely, 2999341447 is an apocalyptic number.

999341447 is a deficient number, since it is larger than the sum of its proper divisors (168236617).

999341447 is a wasteful number, since it uses less digits than its factorization.

999341447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6659 (or 6646 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 999341447 is about 31612.3622496010. The cubic root of 999341447 is about 999.7804341277.

The spelling of 999341447 in words is "nine hundred ninety-nine million, three hundred forty-one thousand, four hundred forty-seven".

Divisors: 1 13 17 53 169 221 689 901 2873 6563 8957 11713 85319 111571 152269 347839 1109147 1450423 4521907 5913263 18855499 58784791 76872419 999341447