Search a number
-
+
16361801 = 4328849
BaseRepresentation
bin111110011010…
…100101001001
31010210021011122
4332122211021
513142034201
61342405025
7256034021
oct76324511
933707148
1016361801
119265955
125590775
13350b451
14225ca81
151682e1b
hexf9a949

16361801 has 6 divisors (see below), whose sum is σ = 16753050. Its totient is φ = 15979488.

The previous prime is 16361783. The next prime is 16361827. The reversal of 16361801 is 10816361.

It can be written as a sum of positive squares in only one way, i.e., 8549776 + 7812025 = 2924^2 + 2795^2 .

It is not a de Polignac number, because 16361801 - 222 = 12167497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16361861) 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 5 ways as a sum of consecutive naturals, for example, 2576 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (2792175).

Almost surely, 216361801 is an apocalyptic number.

It is an amenable number.

16361801 is a deficient number, since it is larger than the sum of its proper divisors (391249).

16361801 is an frugal number, since it uses more digits than its factorization.

16361801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16361801 is about 4044.9723114009. The cubic root of 16361801 is about 253.8694071067.

The spelling of 16361801 in words is "sixteen million, three hundred sixty-one thousand, eight hundred one".

Divisors: 1 43 1849 8849 380507 16361801