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6381044 = 222955009
BaseRepresentation
bin11000010101110111110100
3110000012010222
4120111313310
53113143134
6344433512
7105144425
oct30256764
913005128
106381044
11366919a
122178898
131425587
14bc164c
15860a2e
hex615df4

6381044 has 12 divisors (see below), whose sum is σ = 11552100. Its totient is φ = 3080448.

The previous prime is 6381031. The next prime is 6381047. The reversal of 6381044 is 4401836.

It can be written as a sum of positive squares in 2 ways, for example, as 4243600 + 2137444 = 2060^2 + 1462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381047) by changing a digit.

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, 27389 + ... + 27620.

It is an arithmetic number, because the mean of its divisors is an integer number (962675).

Almost surely, 26381044 is an apocalyptic number.

It is an amenable number.

6381044 is a deficient number, since it is larger than the sum of its proper divisors (5171056).

6381044 is a wasteful number, since it uses less digits than its factorization.

6381044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55042 (or 55040 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6381044 is about 2526.0728413884. The cubic root of 6381044 is about 185.4800679925.

The spelling of 6381044 in words is "six million, three hundred eighty-one thousand, forty-four".

Divisors: 1 2 4 29 58 116 55009 110018 220036 1595261 3190522 6381044