Search a number
-
+
4217161 = 13324397
BaseRepresentation
bin10000000101100101001001
321221020212011
4100011211021
52034422121
6230215521
750562634
oct20054511
97836764
104217161
112420463
1214b45a1
13b48680
147bac1b
155847e1
hex405949

4217161 has 4 divisors (see below), whose sum is σ = 4541572. Its totient is φ = 3892752.

The previous prime is 4217159. The next prime is 4217167. The reversal of 4217161 is 1617124.

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 1394761 + 2822400 = 1181^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 4217161 - 21 = 4217159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4217167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162186 + ... + 162211.

It is an arithmetic number, because the mean of its divisors is an integer number (1135393).

Almost surely, 24217161 is an apocalyptic number.

It is an amenable number.

4217161 is a deficient number, since it is larger than the sum of its proper divisors (324411).

4217161 is a wasteful number, since it uses less digits than its factorization.

4217161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324410.

The product of its digits is 336, while the sum is 22.

The square root of 4217161 is about 2053.5727403723. The cubic root of 4217161 is about 161.5623124094.

The spelling of 4217161 in words is "four million, two hundred seventeen thousand, one hundred sixty-one".

Divisors: 1 13 324397 4217161