Search a number
-
+
16704249 = 3192271291
BaseRepresentation
bin111111101110…
…001011111001
31011102122220220
4333232023321
513234013444
61354010253
7261661302
oct77561371
934378826
1016704249
11947a171
125716989
1335cb293
14230b7a9
1516ee619
hexfee2f9

16704249 has 16 divisors (see below), whose sum is σ = 23566080. Its totient is φ = 10495440.

The previous prime is 16704227. The next prime is 16704263. The reversal of 16704249 is 94240761.

It is a happy number.

It is not a de Polignac number, because 16704249 - 28 = 16703993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16704269) 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 15 ways as a sum of consecutive naturals, for example, 12294 + ... + 13584.

It is an arithmetic number, because the mean of its divisors is an integer number (1472880).

Almost surely, 216704249 is an apocalyptic number.

16704249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16704249 is a deficient number, since it is larger than the sum of its proper divisors (6861831).

16704249 is a wasteful number, since it uses less digits than its factorization.

16704249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 16704249 is about 4087.0831897577. The cubic root of 16704249 is about 255.6283313072.

The spelling of 16704249 in words is "sixteen million, seven hundred four thousand, two hundred forty-nine".

Divisors: 1 3 19 57 227 681 1291 3873 4313 12939 24529 73587 293057 879171 5568083 16704249