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299351412 = 22328315317
BaseRepresentation
bin10001110101111…
…011110101110100
3202212021121221100
4101311323311310
51103113221122
645412050100
710263305433
oct2165736564
9685247840
10299351412
11143a81168
1284303930
134a031819
142ba8511a
151b431aac
hex11d7bd74

299351412 has 18 divisors (see below), whose sum is σ = 756693938. Its totient is φ = 99783792.

The previous prime is 299351401. The next prime is 299351431. The reversal of 299351412 is 214153992.

299351412 is a `hidden beast` number, since 299 + 351 + 4 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 290566116 + 8785296 = 17046^2 + 2964^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2993514122 = 179222535732787488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8315317 = 299351412 / (2 + 9 + 9 + 3 + 5 + 1 + 4 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4157623 + ... + 4157694.

Almost surely, 2299351412 is an apocalyptic number.

It is an amenable number.

299351412 is an abundant number, since it is smaller than the sum of its proper divisors (457342526).

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

299351412 is a wasteful number, since it uses less digits than its factorization.

299351412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315327 (or 8315322 counting only the distinct ones).

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

The square root of 299351412 is about 17301.7748222545. The cubic root of 299351412 is about 668.9501729129.

The spelling of 299351412 in words is "two hundred ninety-nine million, three hundred fifty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 8315317 16630634 24945951 33261268 49891902 74837853 99783804 149675706 299351412