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16682145 = 351112143
BaseRepresentation
bin111111101000…
…110010100001
31011101112121020
4333220302201
513232312040
61353320053
7261536664
oct77506241
934345536
1016682145
1194645a7
125706029
1335c11bc
1423036db
1516e7cd0
hexfe8ca1

16682145 has 8 divisors (see below), whose sum is σ = 26691456. Its totient is φ = 8897136.

The previous prime is 16682143. The next prime is 16682167. The reversal of 16682145 is 54128661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16682145 - 21 = 16682143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16682143) 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 7 ways as a sum of consecutive naturals, for example, 556057 + ... + 556086.

It is an arithmetic number, because the mean of its divisors is an integer number (3336432).

Almost surely, 216682145 is an apocalyptic number.

16682145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16682145 is a deficient number, since it is larger than the sum of its proper divisors (10009311).

16682145 is a wasteful number, since it uses less digits than its factorization.

16682145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112151.

The product of its digits is 11520, while the sum is 33.

The square root of 16682145 is about 4084.3781656453. The cubic root of 16682145 is about 255.5155276171.

The spelling of 16682145 in words is "sixteen million, six hundred eighty-two thousand, one hundred forty-five".

Divisors: 1 3 5 15 1112143 3336429 5560715 16682145