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448973997 = 3213170229
BaseRepresentation
bin11010110000101…
…100110010101101
31011021211020112120
4122300230302231
51404414131442
6112315023153
714061134043
oct3260546255
91137736476
10448973997
1121048589a
1210643aab9
137202a9b4
14438b2393
15296394ec
hex1ac2ccad

448973997 has 8 divisors (see below), whose sum is σ = 598921440. Its totient is φ = 299171280.

The previous prime is 448973983. The next prime is 448974037. The reversal of 448973997 is 799379844.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 448973997 - 223 = 440585389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448973997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448973957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28722 + ... + 41507.

It is an arithmetic number, because the mean of its divisors is an integer number (74865180).

Almost surely, 2448973997 is an apocalyptic number.

It is an amenable number.

448973997 is a deficient number, since it is larger than the sum of its proper divisors (149947443).

448973997 is a wasteful number, since it uses less digits than its factorization.

448973997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72363.

The product of its digits is 13716864, while the sum is 60.

The square root of 448973997 is about 21189.0065128123. The cubic root of 448973997 is about 765.7265923376.

The spelling of 448973997 in words is "four hundred forty-eight million, nine hundred seventy-three thousand, nine hundred ninety-seven".

Divisors: 1 3 2131 6393 70229 210687 149657999 448973997