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16684245 = 335831489
BaseRepresentation
bin111111101001…
…010011010101
31011101122111000
4333221103111
513232343440
61353333513
7261546054
oct77512325
934348430
1016684245
119466136
125707299
1335c2146
14230439b
1516e8730
hexfe94d5

16684245 has 32 divisors (see below), whose sum is σ = 30038400. Its totient is φ = 8785152.

The previous prime is 16684211. The next prime is 16684267. The reversal of 16684245 is 54248661.

It is not a de Polignac number, because 16684245 - 26 = 16684181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10461 + ... + 11949.

It is an arithmetic number, because the mean of its divisors is an integer number (938700).

Almost surely, 216684245 is an apocalyptic number.

16684245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16684245 is a deficient number, since it is larger than the sum of its proper divisors (13354155).

16684245 is a wasteful number, since it uses less digits than its factorization.

16684245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1580 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 16684245 is about 4084.6352346323. The cubic root of 16684245 is about 255.5262488622.

The spelling of 16684245 in words is "sixteen million, six hundred eighty-four thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 83 135 249 415 747 1245 1489 2241 3735 4467 7445 11205 13401 22335 40203 67005 123587 201015 370761 617935 1112283 1853805 3336849 5561415 16684245