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4401031 = 9914441
BaseRepresentation
bin10000110010011110000111
322021121002011
4100302132013
52111313111
6234155051
752256665
oct20623607
98247064
104401031
112536618
121582a87
13bb127b
14827c35
155be021
hex432787

4401031 has 4 divisors (see below), whose sum is σ = 4406464. Its totient is φ = 4395600.

The previous prime is 4400993. The next prime is 4401043. The reversal of 4401031 is 1301044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4401031 is a prime.

It is a super-3 number, since 3×44010313 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401071) 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 3 ways as a sum of consecutive naturals, for example, 1230 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (1101616).

Almost surely, 24401031 is an apocalyptic number.

4401031 is a deficient number, since it is larger than the sum of its proper divisors (5433).

4401031 is an equidigital number, since it uses as much as digits as its factorization.

4401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4401031 is about 2097.8634369282. The cubic root of 4401031 is about 163.8770519120.

Adding to 4401031 its sum of digits (13), we get a palindrome (4401044).

Adding to 4401031 its reverse (1301044), we get a palindrome (5702075).

The spelling of 4401031 in words is "four million, four hundred one thousand, thirty-one".

Divisors: 1 991 4441 4401031