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4013844 = 223334487
BaseRepresentation
bin1111010011111100010100
321112220221220
433103330110
52011420334
6222010340
746055112
oct17237424
97486856
104013844
1122a172a
1214169b0
13aa6c73
14766ab2
15544449
hex3d3f14

4013844 has 12 divisors (see below), whose sum is σ = 9365664. Its totient is φ = 1337944.

The previous prime is 4013837. The next prime is 4013851. The reversal of 4013844 is 4483104.

4013844 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 (4013837) and next prime (4013851).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40138442 = 32221887312672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167232 + ... + 167255.

It is an arithmetic number, because the mean of its divisors is an integer number (780472).

Almost surely, 24013844 is an apocalyptic number.

It is an amenable number.

4013844 is an abundant number, since it is smaller than the sum of its proper divisors (5351820).

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

4013844 is a wasteful number, since it uses less digits than its factorization.

4013844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334494 (or 334492 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4013844 is about 2003.4580105408. The cubic root of 4013844 is about 158.9230274955.

Adding to 4013844 its reverse (4483104), we get a palindrome (8496948).

The spelling of 4013844 in words is "four million, thirteen thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 334487 668974 1003461 1337948 2006922 4013844