Search a number
-
+
16894073 = 721721193
BaseRepresentation
bin100000001110…
…0100001111001
31011210022022102
41000130201321
513311102243
61402033145
7263411600
oct100344171
934708272
1016894073
119599849
1257a87b5
1336667c1
14235aa37
15173a9b8
hex101c879

16894073 has 18 divisors (see below), whose sum is σ = 20893806. Its totient is φ = 13617408.

The previous prime is 16894063. The next prime is 16894079. The reversal of 16894073 is 37049861.

It can be written as a sum of positive squares in 3 ways, for example, as 6927424 + 9966649 = 2632^2 + 3157^2 .

It is not a de Polignac number, because 16894073 - 210 = 16893049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16894079) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13565 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (1160767).

Almost surely, 216894073 is an apocalyptic number.

It is an amenable number.

16894073 is a deficient number, since it is larger than the sum of its proper divisors (3999733).

16894073 is a wasteful number, since it uses less digits than its factorization.

16894073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 16894073 is about 4110.2400173226. The cubic root of 16894073 is about 256.5929907910.

The spelling of 16894073 in words is "sixteen million, eight hundred ninety-four thousand, seventy-three".

Divisors: 1 7 17 49 119 289 833 1193 2023 8351 14161 20281 58457 141967 344777 993769 2413439 16894073