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4420005 = 35417187
BaseRepresentation
bin10000110111000110100101
322022120002220
4100313012211
52112420010
6234422553
752366212
oct20670645
98276086
104420005
1125498a7
121591a59
13bb9ab5
14830b09
155c4970
hex4371a5

4420005 has 16 divisors (see below), whose sum is σ = 7245504. Its totient is φ = 2299520.

The previous prime is 4420001. The next prime is 4420019. The reversal of 4420005 is 5000244.

It is not a de Polignac number, because 4420005 - 22 = 4420001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420001) 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 15 ways as a sum of consecutive naturals, for example, 2979 + ... + 4208.

It is an arithmetic number, because the mean of its divisors is an integer number (452844).

Almost surely, 24420005 is an apocalyptic number.

It is an amenable number.

4420005 is a deficient number, since it is larger than the sum of its proper divisors (2825499).

4420005 is a wasteful number, since it uses less digits than its factorization.

4420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4420005 is about 2102.3807932913. The cubic root of 4420005 is about 164.1122199419.

Adding to 4420005 its reverse (5000244), we get a palindrome (9420249).

The spelling of 4420005 in words is "four million, four hundred twenty thousand, five".

Divisors: 1 3 5 15 41 123 205 615 7187 21561 35935 107805 294667 884001 1473335 4420005