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450245 = 5175297
BaseRepresentation
bin1101101111011000101
3211212121202
41231323011
5103401440
613352245
73553445
oct1557305
9755552
10450245
11288304
12198685
13129c23
14ba125
158d615
hex6dec5

450245 has 8 divisors (see below), whose sum is σ = 572184. Its totient is φ = 338944.

The previous prime is 450239. The next prime is 450257. The reversal of 450245 is 542054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160801 + 289444 = 401^2 + 538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450245 - 28 = 449989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (71523).

2450245 is an apocalyptic number.

It is an amenable number.

450245 is a deficient number, since it is larger than the sum of its proper divisors (121939).

450245 is a wasteful number, since it uses less digits than its factorization.

450245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 450245 is about 671.0029806193. The cubic root of 450245 is about 76.6448478133.

Adding to 450245 its reverse (542054), we get a palindrome (992299).

Subtracting 450245 from its reverse (542054), we obtain a square (91809 = 3032).

The spelling of 450245 in words is "four hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 17 85 5297 26485 90049 450245