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16290873 = 321810097
BaseRepresentation
bin111110001001…
…010000111001
31010122122212200
4332021100321
513132301443
61341100413
7255320154
oct76112071
933578780
1016290873
119217635
125557709
1334b5091
142240c9b
15166bdd3
hexf89439

16290873 has 6 divisors (see below), whose sum is σ = 23531274. Its totient is φ = 10860576.

The previous prime is 16290839. The next prime is 16290881. The reversal of 16290873 is 37809261.

16290873 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15776784 + 514089 = 3972^2 + 717^2 .

It is not a de Polignac number, because 16290873 - 218 = 16028729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16290893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 905040 + ... + 905057.

It is an arithmetic number, because the mean of its divisors is an integer number (3921879).

Almost surely, 216290873 is an apocalyptic number.

It is an amenable number.

16290873 is a deficient number, since it is larger than the sum of its proper divisors (7240401).

16290873 is a wasteful number, since it uses less digits than its factorization.

16290873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810103 (or 1810100 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 16290873 is about 4036.1953619715. The cubic root of 16290873 is about 253.5020365603.

The spelling of 16290873 in words is "sixteen million, two hundred ninety thousand, eight hundred seventy-three".

Divisors: 1 3 9 1810097 5430291 16290873