Search a number
-
+
4408131 = 371367241
BaseRepresentation
bin10000110100001101000011
322021221211010
4100310031003
52112030011
6234252003
752316460
oct20641503
98257733
104408131
112540992
121587003
13bb4580
1482a667
155c11a6
hex434343

4408131 has 32 divisors (see below), whose sum is σ = 7372288. Its totient is φ = 2280960.

The previous prime is 4408123. The next prime is 4408139. The reversal of 4408131 is 1318044.

4408131 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (4408123) and next prime (4408139).

It is not a de Polignac number, because 4408131 - 23 = 4408123 is a prime.

It is a super-2 number, since 2×44081312 = 38863237826322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

4408131 is an undulating number in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4408098 and 4408107.

It is not an unprimeable number, because it can be changed into a prime (4408139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18171 + ... + 18411.

It is an arithmetic number, because the mean of its divisors is an integer number (230384).

Almost surely, 24408131 is an apocalyptic number.

4408131 is a deficient number, since it is larger than the sum of its proper divisors (2964157).

4408131 is a wasteful number, since it uses less digits than its factorization.

4408131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4408131 is about 2099.5549528412. The cubic root of 4408131 is about 163.9651299054.

The spelling of 4408131 in words is "four million, four hundred eight thousand, one hundred thirty-one".

Divisors: 1 3 7 13 21 39 67 91 201 241 273 469 723 871 1407 1687 2613 3133 5061 6097 9399 16147 18291 21931 48441 65793 113029 209911 339087 629733 1469377 4408131