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4221474 = 231741387
BaseRepresentation
bin10000000110101000100010
321221110202220
4100012220202
52040041344
6230251510
750611335
oct20065042
97843686
104221474
112423724
1214b6b96
13b4a61a
147bc61c
15585c19
hex406a22

4221474 has 16 divisors (see below), whose sum is σ = 8939808. Its totient is φ = 1324352.

The previous prime is 4221473. The next prime is 4221479. The reversal of 4221474 is 4741224.

It is an Ulam number.

It is a d-powerful number, because it can be written as 43 + 27 + 213 + 1 + 47 + 74 + 411 .

It is not an unprimeable number, because it can be changed into a prime (4221473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20592 + ... + 20795.

It is an arithmetic number, because the mean of its divisors is an integer number (558738).

Almost surely, 24221474 is an apocalyptic number.

4221474 is an abundant number, since it is smaller than the sum of its proper divisors (4718334).

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

4221474 is a wasteful number, since it uses less digits than its factorization.

4221474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41409.

The product of its digits is 1792, while the sum is 24.

The square root of 4221474 is about 2054.6225930813. The cubic root of 4221474 is about 161.6173716335.

Adding to 4221474 its reverse (4741224), we get a palindrome (8962698).

The spelling of 4221474 in words is "four million, two hundred twenty-one thousand, four hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 41387 82774 124161 248322 703579 1407158 2110737 4221474