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299719404 = 22328325539
BaseRepresentation
bin10001110111010…
…101101011101100
3202212222022201200
4101313111223230
51103212010104
645424005500
710266400335
oct2167255354
9685868650
10299719404
11144202696
1284460890
134a13017a
142bb3d28c
151b4a5b39
hex11dd5aec

299719404 has 18 divisors (see below), whose sum is σ = 757624140. Its totient is φ = 99906456.

The previous prime is 299719403. The next prime is 299719429. The reversal of 299719404 is 404917992.

It is a happy number.

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

It is a super-2 number, since 2×2997194042 = 179663442268230432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 299719404.

It is not an unprimeable number, because it can be changed into a prime (299719403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4162734 + ... + 4162805.

It is an arithmetic number, because the mean of its divisors is an integer number (42090230).

Almost surely, 2299719404 is an apocalyptic number.

It is an amenable number.

299719404 is an abundant number, since it is smaller than the sum of its proper divisors (457904736).

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

299719404 is a wasteful number, since it uses less digits than its factorization.

299719404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325549 (or 8325544 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 299719404 is about 17312.4060719474. The cubic root of 299719404 is about 669.2241736354.

The spelling of 299719404 in words is "two hundred ninety-nine million, seven hundred nineteen thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 8325539 16651078 24976617 33302156 49953234 74929851 99906468 149859702 299719404