Search a number
-
+
4406481 = 3454401
BaseRepresentation
bin10000110011110011010001
322021212120000
4100303303101
52112001411
6234240213
752311612
oct20636321
98255500
104406481
11253a722
121586069
13bb38b1
14829c09
155c0956
hex433cd1

4406481 has 10 divisors (see below), whose sum is σ = 6582642. Its totient is φ = 2937600.

The previous prime is 4406477. The next prime is 4406491. The reversal of 4406481 is 1846044.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 342225 = 2016^2 + 585^2 .

It is not a de Polignac number, because 4406481 - 22 = 4406477 is a prime.

It is a super-2 number, since 2×44064812 = 38834149606722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4406401) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 27120 + ... + 27281.

Almost surely, 24406481 is an apocalyptic number.

It is an amenable number.

4406481 is a deficient number, since it is larger than the sum of its proper divisors (2176161).

4406481 is an equidigital number, since it uses as much as digits as its factorization.

4406481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54413 (or 54404 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4406481 is about 2099.1619756465. The cubic root of 4406481 is about 163.9446695163.

The spelling of 4406481 in words is "four million, four hundred six thousand, four hundred eighty-one".

Divisors: 1 3 9 27 81 54401 163203 489609 1468827 4406481