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448945 = 57101127
BaseRepresentation
bin1101101100110110001
3211210211121
41231212301
5103331240
613342241
73546610
oct1554661
9753747
10448945
11287332
12197981
13129463
14b9877
158d04a
hex6d9b1

448945 has 16 divisors (see below), whose sum is σ = 626688. Its totient is φ = 302400.

The previous prime is 448939. The next prime is 448969. The reversal of 448945 is 549844.

It is not a de Polignac number, because 448945 - 213 = 440753 is a prime.

It is a super-2 number, since 2×4489452 = 403103226050, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (23040) is a multiple of the sum of its prime divisors (240).

448945 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 448945.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3472 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (39168).

2448945 is an apocalyptic number.

It is an amenable number.

448945 is a deficient number, since it is larger than the sum of its proper divisors (177743).

448945 is a wasteful number, since it uses less digits than its factorization.

448945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its digits is 23040, while the sum is 34.

The square root of 448945 is about 670.0335812480. The cubic root of 448945 is about 76.5710107157.

The spelling of 448945 in words is "four hundred forty-eight thousand, nine hundred forty-five".

Divisors: 1 5 7 35 101 127 505 635 707 889 3535 4445 12827 64135 89789 448945