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448974497 = 538183437
BaseRepresentation
bin11010110000101…
…100111010100001
31011021211021020002
4122300230322201
51404414140442
6112315025345
714061135356
oct3260547241
91137737202
10448974497
11210486204
1210643b255
137202acaa
14438b262d
1529639732
hex1ac2cea1

448974497 has 4 divisors (see below), whose sum is σ = 449063316. Its totient is φ = 448885680.

The previous prime is 448974469. The next prime is 448974499. The reversal of 448974497 is 794479844.

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 64657681 + 384316816 = 8041^2 + 19604^2 .

It is a cyclic number.

It is not a de Polignac number, because 448974497 - 214 = 448958113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448974499) 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, 36338 + ... + 47099.

It is an arithmetic number, because the mean of its divisors is an integer number (112265829).

Almost surely, 2448974497 is an apocalyptic number.

It is an amenable number.

448974497 is a deficient number, since it is larger than the sum of its proper divisors (88819).

448974497 is an equidigital number, since it uses as much as digits as its factorization.

448974497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88818.

The product of its digits is 8128512, while the sum is 56.

The square root of 448974497 is about 21189.0183113801. The cubic root of 448974497 is about 765.7268765880.

It can be divided in two parts, 44897 and 4497, that added together give a palindrome (49394).

The spelling of 448974497 in words is "four hundred forty-eight million, nine hundred seventy-four thousand, four hundred ninety-seven".

Divisors: 1 5381 83437 448974497