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299341512 = 233220392
BaseRepresentation
bin10001110101111…
…001011011001000
3202212021010100200
4101311321123020
51103112412022
645411532200
710263234531
oct2165713310
9685233320
10299341512
11143a74788
12842ba060
134a02a172
142ba81688
151b42dbac
hex11d796c8

299341512 has 36 divisors (see below), whose sum is σ = 811114395. Its totient is φ = 99731568.

The previous prime is 299341501. The next prime is 299341517. The reversal of 299341512 is 215143992.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 149670756 + 149670756 = 12234^2 + 12234^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=12234.

It is a super-2 number, since 2×2993415122 = 179210681612892288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (299341517) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 145789 + ... + 147827.

Almost surely, 2299341512 is an apocalyptic number.

It is an amenable number.

299341512 is an abundant number, since it is smaller than the sum of its proper divisors (511772883).

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

299341512 is an equidigital number, since it uses as much as digits as its factorization.

299341512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090 (or 2044 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 299341512 is about 17301.4887220724. The cubic root of 299341512 is about 668.9427984366.

The spelling of 299341512 in words is "two hundred ninety-nine million, three hundred forty-one thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2039 4078 6117 8156 12234 16312 18351 24468 36702 48936 73404 146808 4157521 8315042 12472563 16630084 24945126 33260168 37417689 49890252 74835378 99780504 149670756 299341512