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449248 = 25101139
BaseRepresentation
bin1101101101011100000
3211211020211
41231223200
5103333443
613343504
73550522
oct1555340
9754224
10449248
11287588
12197b94
13129637
14b9a12
158d19d
hex6dae0

449248 has 24 divisors (see below), whose sum is σ = 899640. Its totient is φ = 220800.

The previous prime is 449243. The next prime is 449249. The reversal of 449248 is 842944.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449243) by changing a digit.

449248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3163 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (37485).

2449248 is an apocalyptic number.

It is an amenable number.

449248 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449248 is a wasteful number, since it uses less digits than its factorization.

449248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 242 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 449248 is about 670.2596511800. The cubic root of 449248 is about 76.5882331659.

The spelling of 449248 in words is "four hundred forty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 101 139 202 278 404 556 808 1112 1616 2224 3232 4448 14039 28078 56156 112312 224624 449248