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4221044 = 221055261
BaseRepresentation
bin10000000110100001110100
321221110011222
4100012201310
52040033134
6230245512
750610152
oct20064164
97843158
104221044
112423373
1214b6898
13b4a379
147bc3d2
15585a2e
hex406874

4221044 has 6 divisors (see below), whose sum is σ = 7386834. Its totient is φ = 2110520.

The previous prime is 4221031. The next prime is 4221047. The reversal of 4221044 is 4401224.

It can be written as a sum of positive squares in only one way, i.e., 4153444 + 67600 = 2038^2 + 260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527627 + ... + 527634.

It is an arithmetic number, because the mean of its divisors is an integer number (1231139).

Almost surely, 24221044 is an apocalyptic number.

It is an amenable number.

4221044 is a deficient number, since it is larger than the sum of its proper divisors (3165790).

4221044 is a wasteful number, since it uses less digits than its factorization.

4221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055265 (or 1055263 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4221044 is about 2054.5179483275. The cubic root of 4221044 is about 161.6118839903.

Adding to 4221044 its reverse (4401224), we get a palindrome (8622268).

The spelling of 4221044 in words is "four million, two hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 1055261 2110522 4221044