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4441121 = 712881
BaseRepresentation
bin10000111100010000100001
322100122001222
4100330100201
52114103441
6235104425
752514606
oct20742041
98318058
104441121
112563753
1215a2115
13bc65a9
148386ad
155cad4b
hex43c421

4441121 has 6 divisors (see below), whose sum is σ = 4509666. Its totient is φ = 4373600.

The previous prime is 4441111. The next prime is 4441133. The reversal of 4441121 is 1211444.

It can be written as a sum of positive squares in only one way, i.e., 3150625 + 1290496 = 1775^2 + 1136^2 .

It is not a de Polignac number, because 4441121 - 222 = 246817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4441121.

It is not an unprimeable number, because it can be changed into a prime (4441111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4601 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (751611).

Almost surely, 24441121 is an apocalyptic number.

It is an amenable number.

4441121 is a deficient number, since it is larger than the sum of its proper divisors (68545).

4441121 is an frugal number, since it uses more digits than its factorization.

4441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 952 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 4441121 is about 2107.3967353111. The cubic root of 4441121 is about 164.3731464754.

Adding to 4441121 its reverse (1211444), we get a palindrome (5652565).

The spelling of 4441121 in words is "four million, four hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 71 881 5041 62551 4441121