Search a number
449430 = 23571211
BaseRepresentation
bin1101101101110010110
3211211111120
41231232112
5103340210
613344410
73551202
oct1555626
9754446
10449430
11287733
12198106
13129747
14b9b02
158d270
hex6db96

449430 has 32 divisors (see below), whose sum is σ = 1099008. Its totient is φ = 117600.

The previous prime is 449419. The next prime is 449437. The reversal of 449430 is 34944.

It is a self number, because there is not a number n which added to its sum of digits gives 449430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (34344).

2449430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549504).

449430 is an abundant number, since it is smaller than the sum of its proper divisors (649578).

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

449430 is a wasteful number, since it uses less digits than its factorization.

449430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 449430 is about 670.3954057122. The cubic root of 449430 is about 76.5985742815.

The spelling of 449430 in words is "four hundred forty-nine thousand, four hundred thirty".