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448705997 = 3114474387
BaseRepresentation
bin11010101111101…
…011010111001101
31011021022121220122
4122233223113031
51404332042442
6112305154325
714055636515
oct3257532715
91137277818
10448705997
11210312503
1210632b9a5
1371c65a0c
1443842845
15295d4dd2
hex1abeb5cd

448705997 has 4 divisors (see below), whose sum is σ = 463180416. Its totient is φ = 434231580.

The previous prime is 448705987. The next prime is 448706023. The reversal of 448705997 is 799507844.

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 448705997 - 214 = 448689613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448705987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7237163 + ... + 7237224.

It is an arithmetic number, because the mean of its divisors is an integer number (115795104).

Almost surely, 2448705997 is an apocalyptic number.

It is an amenable number.

448705997 is a deficient number, since it is larger than the sum of its proper divisors (14474419).

448705997 is a wasteful number, since it uses less digits than its factorization.

448705997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474418.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 448705997 is about 21182.6815346877. The cubic root of 448705997 is about 765.5742037259.

The spelling of 448705997 in words is "four hundred forty-eight million, seven hundred five thousand, nine hundred ninety-seven".

Divisors: 1 31 14474387 448705997