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449307 = 35432
BaseRepresentation
bin1101101101100011011
3211211100000
41231230123
5103334212
613344043
73550635
oct1555433
9754300
10449307
11287631
12198023
13129681
14b9a55
158d1dc
hex6db1b

449307 has 18 divisors (see below), whose sum is σ = 689052. Its totient is φ = 292572.

The previous prime is 449303. The next prime is 449311. The reversal of 449307 is 703944.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (449303) and next prime (449311).

It is not a de Polignac number, because 449307 - 22 = 449303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (449303) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10428 + ... + 10470.

2449307 is an apocalyptic number.

449307 is a deficient number, since it is larger than the sum of its proper divisors (239745).

449307 is an frugal number, since it uses more digits than its factorization.

449307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 449307 is about 670.3036625292. The cubic root of 449307 is about 76.5915858114.

Multiplying 449307 by its sum of digits (27), we get a square (12131289 = 34832).

449307 divided by its sum of digits (27) gives a square (16641 = 1292).

The spelling of 449307 in words is "four hundred forty-nine thousand, three hundred seven".

Divisors: 1 3 9 27 43 81 129 243 387 1161 1849 3483 5547 10449 16641 49923 149769 449307