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4418020 = 225220901
BaseRepresentation
bin10000110110100111100100
322022110101101
4100312213210
52112334040
6234405444
752360345
oct20664744
98273341
104418020
112548362
121590884
13bb8c19
148300cc
155c409a
hex4369e4

4418020 has 12 divisors (see below), whose sum is σ = 9277884. Its totient is φ = 1767200.

The previous prime is 4418017. The next prime is 4418023. The reversal of 4418020 is 208144.

4418020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4418017) and next prime (4418023).

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 891136 = 1878^2 + 944^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4418023) 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 3 ways as a sum of consecutive naturals, for example, 110431 + ... + 110470.

It is an arithmetic number, because the mean of its divisors is an integer number (773157).

Almost surely, 24418020 is an apocalyptic number.

It is an amenable number.

4418020 is an abundant number, since it is smaller than the sum of its proper divisors (4859864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4418020 is a wasteful number, since it uses less digits than its factorization.

4418020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220910 (or 220908 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4418020 is about 2101.9086564359. The cubic root of 4418020 is about 164.0876489641.

It can be divided in two parts, 44180 and 20, that multiplied together give a square (883600 = 9402).

The spelling of 4418020 in words is "four million, four hundred eighteen thousand, twenty".

Divisors: 1 2 4 5 10 20 220901 441802 883604 1104505 2209010 4418020