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16899241 = 17994073
BaseRepresentation
bin100000001110…
…1110010101001
31011210120101211
41000131302221
513311233431
61402113121
7263432632
oct100356251
934716354
1016899241
1195a2717
1257ab7a1
133668c68
14235c889
15173c2b1
hex101dca9

16899241 has 4 divisors (see below), whose sum is σ = 17893332. Its totient is φ = 15905152.

The previous prime is 16899229. The next prime is 16899283. The reversal of 16899241 is 14299861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14299861 = 55725673.

It can be written as a sum of positive squares in 2 ways, for example, as 15840400 + 1058841 = 3980^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 16899241 - 29 = 16898729 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16899194 and 16899203.

It is not an unprimeable number, because it can be changed into a prime (16899221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497020 + ... + 497053.

It is an arithmetic number, because the mean of its divisors is an integer number (4473333).

Almost surely, 216899241 is an apocalyptic number.

It is an amenable number.

16899241 is a deficient number, since it is larger than the sum of its proper divisors (994091).

16899241 is an equidigital number, since it uses as much as digits as its factorization.

16899241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994090.

The product of its digits is 31104, while the sum is 40.

The square root of 16899241 is about 4110.8686429999. The cubic root of 16899241 is about 256.6191525773.

The spelling of 16899241 in words is "sixteen million, eight hundred ninety-nine thousand, two hundred forty-one".

Divisors: 1 17 994073 16899241