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441249997 = 795585443
BaseRepresentation
bin11010010011001…
…111000011001101
31010202021211012111
4122103033003031
51400424444442
6111441304021
713635364066
oct3223170315
91122254174
10441249997
1120708a721
12103935011
1370555096
144286156d
1528b10b17
hex1a4cf0cd

441249997 has 4 divisors (see below), whose sum is σ = 446835520. Its totient is φ = 435664476.

The previous prime is 441249989. The next prime is 441250003. The reversal of 441249997 is 799942144.

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 441249997 - 23 = 441249989 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 441249997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441249947) 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, 2792643 + ... + 2792800.

It is an arithmetic number, because the mean of its divisors is an integer number (111708880).

Almost surely, 2441249997 is an apocalyptic number.

It is an amenable number.

441249997 is a deficient number, since it is larger than the sum of its proper divisors (5585523).

441249997 is an equidigital number, since it uses as much as digits as its factorization.

441249997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585522.

The product of its digits is 653184, while the sum is 49.

The square root of 441249997 is about 21005.9514661917. The cubic root of 441249997 is about 761.3100655885.

The spelling of 441249997 in words is "four hundred forty-one million, two hundred forty-nine thousand, nine hundred ninety-seven".

Divisors: 1 79 5585443 441249997