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450164800 = 2652281353
BaseRepresentation
bin11010110101001…
…111100001000000
31011101001202000101
4122311033201000
51410220233200
6112400332144
714104223551
oct3265174100
91141052011
10450164800
11211119528
12106914054
1372356a07
1443b02328
15297c226a
hex1ad4f840

450164800 has 42 divisors (see below), whose sum is σ = 1107690698. Its totient is φ = 180065280.

The previous prime is 450164797. The next prime is 450164837. The reversal of 450164800 is 8461054.

It can be written as a sum of positive squares in 3 ways, for example, as 16192576 + 433972224 = 4024^2 + 20832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139077 + ... + 142276.

Almost surely, 2450164800 is an apocalyptic number.

450164800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450164800 is an abundant number, since it is smaller than the sum of its proper divisors (657525898).

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

450164800 is a wasteful number, since it uses less digits than its factorization.

450164800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281375 (or 281360 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 450164800 is about 21217.0874532769. The cubic root of 450164800 is about 766.4029674907.

The spelling of 450164800 in words is "four hundred fifty million, one hundred sixty-four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 281353 562706 1125412 1406765 2250824 2813530 4501648 5627060 7033825 9003296 11254120 14067650 18006592 22508240 28135300 45016480 56270600 90032960 112541200 225082400 450164800