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4221141 = 31407047
BaseRepresentation
bin10000000110100011010101
321221110022120
4100012203111
52040034031
6230250153
750610351
oct20064325
97843276
104221141
112423451
1214b6959
13b4a422
147bc461
15585a96
hex4068d5

4221141 has 4 divisors (see below), whose sum is σ = 5628192. Its totient is φ = 2814092.

The previous prime is 4221109. The next prime is 4221169. The reversal of 4221141 is 1411224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4221141 - 25 = 4221109 is a prime.

It is a D-number.

4221141 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4221141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703521 + ... + 703526.

It is an arithmetic number, because the mean of its divisors is an integer number (1407048).

Almost surely, 24221141 is an apocalyptic number.

It is an amenable number.

4221141 is a deficient number, since it is larger than the sum of its proper divisors (1407051).

4221141 is a wasteful number, since it uses less digits than its factorization.

4221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407050.

The product of its digits is 64, while the sum is 15.

The square root of 4221141 is about 2054.5415547027. The cubic root of 4221141 is about 161.6131219330.

Adding to 4221141 its reverse (1411224), we get a palindrome (5632365).

The spelling of 4221141 in words is "four million, two hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 3 1407047 4221141