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448393 = 1140763
BaseRepresentation
bin1101101011110001001
3211210002011
41231132021
5103322033
613335521
73545161
oct1553611
9753064
10448393
11286980
121975a1
1312912a
14b95a1
158cccd
hex6d789

448393 has 4 divisors (see below), whose sum is σ = 489168. Its totient is φ = 407620.

The previous prime is 448387. The next prime is 448397. The reversal of 448393 is 393844.

448393 = T82 + T83 + ... + T147.

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 448393 - 217 = 317321 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (448397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20371 + ... + 20392.

It is an arithmetic number, because the mean of its divisors is an integer number (122292).

2448393 is an apocalyptic number.

It is an amenable number.

448393 is a deficient number, since it is larger than the sum of its proper divisors (40775).

448393 is a wasteful number, since it uses less digits than its factorization.

448393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40774.

The product of its digits is 10368, while the sum is 31.

The square root of 448393 is about 669.6215348986. The cubic root of 448393 is about 76.5396152345.

It can be divided in two parts, 448 and 393, that added together give a square (841 = 292).

The spelling of 448393 in words is "four hundred forty-eight thousand, three hundred ninety-three".

Divisors: 1 11 40763 448393