Search a number
-
+
4409001 = 321728817
BaseRepresentation
bin10000110100011010101001
322022000000100
4100310122221
52112042001
6234300013
752322142
oct20643251
98260010
104409001
112541603
121587609
13bb4a9c
1482aac9
155c1586
hex4346a9

4409001 has 12 divisors (see below), whose sum is σ = 6743412. Its totient is φ = 2766336.

The previous prime is 4408997. The next prime is 4409003. The reversal of 4409001 is 1009044.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 488601 = 1980^2 + 699^2 .

It is not a de Polignac number, because 4409001 - 22 = 4408997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14256 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (561951).

Almost surely, 24409001 is an apocalyptic number.

It is an amenable number.

4409001 is a deficient number, since it is larger than the sum of its proper divisors (2334411).

4409001 is a wasteful number, since it uses less digits than its factorization.

4409001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28840 (or 28837 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4409001 is about 2099.7621293851. The cubic root of 4409001 is about 163.9759160549.

The spelling of 4409001 in words is "four million, four hundred nine thousand, one".

Divisors: 1 3 9 17 51 153 28817 86451 259353 489889 1469667 4409001