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2428161 = 317471013
BaseRepresentation
bin1001010000110100000001
311120100210220
421100310001
51110200121
6124013253
726432121
oct11206401
94510726
102428161
11140934a
12991229
136702a8
14472c81
1532e6c6
hex250d01

2428161 has 16 divisors (see below), whose sum is σ = 3504384. Its totient is φ = 1489664.

The previous prime is 2428159. The next prime is 2428163. The reversal of 2428161 is 1618242.

It is an interprime number because it is at equal distance from previous prime (2428159) and next prime (2428163).

It is a cyclic number.

It is not a de Polignac number, because 2428161 - 21 = 2428159 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (219024).

22428161 is an apocalyptic number.

It is an amenable number.

2428161 is a deficient number, since it is larger than the sum of its proper divisors (1076223).

2428161 is a wasteful number, since it uses less digits than its factorization.

2428161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its digits is 768, while the sum is 24.

The square root of 2428161 is about 1558.2557556448. The cubic root of 2428161 is about 134.4082190091.

It can be divided in two parts, 24281 and 61, that added together give a palindrome (24342).

The spelling of 2428161 in words is "two million, four hundred twenty-eight thousand, one hundred sixty-one".

Divisors: 1 3 17 47 51 141 799 1013 2397 3039 17221 47611 51663 142833 809387 2428161