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471997441 = 974865953
BaseRepresentation
bin11100001000100…
…001110000000001
31012220010221202201
4130020201300001
51431312404231
6114500313201
714460624556
oct3410416001
91186127681
10471997441
11222480733
121120a2801
1376a2c336
1446986a2d
152b686161
hex1c221c01

471997441 has 4 divisors (see below), whose sum is σ = 476863492. Its totient is φ = 467131392.

The previous prime is 471997439. The next prime is 471997483. The reversal of 471997441 is 144799174.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105657841 + 366339600 = 10279^2 + 19140^2 .

It is a cyclic number.

It is not a de Polignac number, because 471997441 - 21 = 471997439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471997391 and 471997400.

It is not an unprimeable number, because it can be changed into a prime (471998441) 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, 2432880 + ... + 2433073.

It is an arithmetic number, because the mean of its divisors is an integer number (119215873).

Almost surely, 2471997441 is an apocalyptic number.

It is an amenable number.

471997441 is a deficient number, since it is larger than the sum of its proper divisors (4866051).

471997441 is an equidigital number, since it uses as much as digits as its factorization.

471997441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866050.

The product of its digits is 254016, while the sum is 46.

The square root of 471997441 is about 21725.5020885594. The cubic root of 471997441 is about 778.5978760848.

The spelling of 471997441 in words is "four hundred seventy-one million, nine hundred ninety-seven thousand, four hundred forty-one".

Divisors: 1 97 4865953 471997441