Search a number
-
+
299984397 = 31761211457
BaseRepresentation
bin10001111000010…
…110011000001101
3202220110210020020
4101320112120031
51103244000042
645433412353
710301553036
oct2170263015
9686423206
10299984397
11144373799
128456a0b9
134a1c397b
142bbaba8d
151b5093ec
hex11e1660d

299984397 has 32 divisors (see below), whose sum is σ = 433436544. Its totient is φ = 183859200.

The previous prime is 299984389. The next prime is 299984411. The reversal of 299984397 is 793489992.

It is not a de Polignac number, because 299984397 - 23 = 299984389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 299984397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299984317) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 656193 + ... + 656649.

It is an arithmetic number, because the mean of its divisors is an integer number (13544892).

Almost surely, 2299984397 is an apocalyptic number.

It is an amenable number.

299984397 is a deficient number, since it is larger than the sum of its proper divisors (133452147).

299984397 is a wasteful number, since it uses less digits than its factorization.

299984397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its digits is 8817984, while the sum is 60.

The square root of 299984397 is about 17320.0576500195. The cubic root of 299984397 is about 669.4213441450.

The spelling of 299984397 in words is "two hundred ninety-nine million, nine hundred eighty-four thousand, three hundred ninety-seven".

Divisors: 1 3 17 51 61 183 211 457 633 1037 1371 3111 3587 7769 10761 12871 23307 27877 38613 83631 96427 218807 289281 473909 656421 1421727 1639259 4917777 5882047 17646141 99994799 299984397