Search a number
-
+
16950845 = 53390169
BaseRepresentation
bin100000010101…
…0011000111101
31011220012012002
41000222120331
513314411340
61403152045
7264036242
oct100523075
934805162
1016950845
11962846a
125815625
1336865b2
1423735c9
15174c715
hex102a63d

16950845 has 4 divisors (see below), whose sum is σ = 20341020. Its totient is φ = 13560672.

The previous prime is 16950823. The next prime is 16950883. The reversal of 16950845 is 54805961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5968249 + 10982596 = 2443^2 + 3314^2 .

It is a cyclic number.

It is not a de Polignac number, because 16950845 - 26 = 16950781 is a prime.

It is a super-2 number, since 2×169508452 = 574662292428050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16950799 and 16950808.

It is a congruent number.

It is an unprimeable number.

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, 1695080 + ... + 1695089.

It is an arithmetic number, because the mean of its divisors is an integer number (5085255).

Almost surely, 216950845 is an apocalyptic number.

It is an amenable number.

16950845 is a deficient number, since it is larger than the sum of its proper divisors (3390175).

16950845 is an equidigital number, since it uses as much as digits as its factorization.

16950845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390174.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 16950845 is about 4117.1403910967. The cubic root of 16950845 is about 256.8800936509.

The spelling of 16950845 in words is "sixteen million, nine hundred fifty thousand, eight hundred forty-five".

Divisors: 1 5 3390169 16950845