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299105742 = 23134193529
BaseRepresentation
bin10001110100111…
…111110111001110
3202211211010221110
4101310333313032
51103032340432
645402512450
710261233255
oct2164776716
9684733843
10299105742
11143923631
1284205726
1349c76a60
142ba1d79c
151b3d3dcc
hex11d3fdce

299105742 has 32 divisors (see below), whose sum is σ = 659947680. Its totient is φ = 89786880.

The previous prime is 299105711. The next prime is 299105759. The reversal of 299105742 is 247501992.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 299105742.

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, 43567 + ... + 49962.

It is an arithmetic number, because the mean of its divisors is an integer number (20623365).

Almost surely, 2299105742 is an apocalyptic number.

299105742 is an abundant number, since it is smaller than the sum of its proper divisors (360841938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299105742 is a wasteful number, since it uses less digits than its factorization.

299105742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93588.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 299105742 is about 17294.6738043827. The cubic root of 299105742 is about 668.7671260994.

The spelling of 299105742 in words is "two hundred ninety-nine million, one hundred five thousand, seven hundred forty-two".

Divisors: 1 2 3 6 13 26 39 41 78 82 123 246 533 1066 1599 3198 93529 187058 280587 561174 1215877 2431754 3647631 3834689 7295262 7669378 11504067 23008134 49850957 99701914 149552871 299105742