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449394 = 23112619
BaseRepresentation
bin1101101101101110010
3211211110020
41231231302
5103340034
613344310
73551121
oct1555562
9754406
10449394
11287700
12198096
1312971a
14b9ab8
158d249
hex6db72

449394 has 24 divisors (see below), whose sum is σ = 989520. Its totient is φ = 135960.

The previous prime is 449381. The next prime is 449399. The reversal of 449394 is 493944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (449399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (41230).

2449394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494760).

449394 is an abundant number, since it is smaller than the sum of its proper divisors (540126).

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

449394 is a wasteful number, since it uses less digits than its factorization.

449394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 635 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 449394 is about 670.3685553485. The cubic root of 449394 is about 76.5965290076.

The spelling of 449394 in words is "four hundred forty-nine thousand, three hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 619 726 1238 1857 3714 6809 13618 20427 40854 74899 149798 224697 449394