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299019072 = 26311261211
BaseRepresentation
bin10001110100101…
…010101101000000
3202211122202001110
4101310222231000
51103022102242
645401003320
710260422502
oct2164525500
9684582043
10299019072
11143874500
1284183540
1349c46481
142b9d9d72
151b3b839c
hex11d2ab40

299019072 has 168 divisors, whose sum is σ = 888061216. Its totient is φ = 88704000.

The previous prime is 299018999. The next prime is 299019079. The reversal of 299019072 is 270910992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 299019072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299019079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417047 + ... + 1417257.

Almost surely, 2299019072 is an apocalyptic number.

299019072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299019072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444030608).

299019072 is an abundant number, since it is smaller than the sum of its proper divisors (589042144).

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

299019072 is a wasteful number, since it uses less digits than its factorization.

299019072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 299019072 is about 17292.1679381158. The cubic root of 299019072 is about 668.7025250369.

The spelling of 299019072 in words is "two hundred ninety-nine million, nineteen thousand, seventy-two".