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4384386 = 232243577
BaseRepresentation
bin10000101110011010000010
322020202020200
4100232122002
52110300021
6233550030
752160316
oct20563202
98222220
104384386
112525066
121575316
13ba6816
14821b46
155b9126
hex42e682

4384386 has 12 divisors (see below), whose sum is σ = 9499542. Its totient is φ = 1461456.

The previous prime is 4384379. The next prime is 4384433. The reversal of 4384386 is 6834834.

It can be written as a sum of positive squares in only one way, i.e., 4076361 + 308025 = 2019^2 + 555^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4384386.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121771 + ... + 121806.

Almost surely, 24384386 is an apocalyptic number.

4384386 is an abundant number, since it is smaller than the sum of its proper divisors (5115156).

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

4384386 is a wasteful number, since it uses less digits than its factorization.

4384386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243585 (or 243582 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 4384386 is about 2093.8925473863. The cubic root of 4384386 is about 163.6701928375.

The spelling of 4384386 in words is "four million, three hundred eighty-four thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 243577 487154 730731 1461462 2192193 4384386