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299290920 = 23352494091
BaseRepresentation
bin10001110101101…
…101000100101000
3202212011112221220
4101311231010220
51103104302140
645410502040
710262634165
oct2165550450
9685145856
10299290920
11143a3a775
1284294920
134a010126
142ba6b06c
151b41dbd0
hex11d6d128

299290920 has 32 divisors (see below), whose sum is σ = 897873120. Its totient is φ = 79810880.

The previous prime is 299290903. The next prime is 299290951. The reversal of 299290920 is 29092992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246926 + ... + 1247165.

It is an arithmetic number, because the mean of its divisors is an integer number (28058535).

Almost surely, 2299290920 is an apocalyptic number.

299290920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299290920 is an abundant number, since it is smaller than the sum of its proper divisors (598582200).

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

299290920 is a wasteful number, since it uses less digits than its factorization.

299290920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494105 (or 2494101 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 299290920 is about 17300.0265895749. The cubic root of 299290920 is about 668.9051100890.

The spelling of 299290920 in words is "two hundred ninety-nine million, two hundred ninety thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2494091 4988182 7482273 9976364 12470455 14964546 19952728 24940910 29929092 37411365 49881820 59858184 74822730 99763640 149645460 299290920