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404244200 = 23524214801
BaseRepresentation
bin11000000110000…
…100011011101000
31001011122201210102
4120012010123220
51311441303300
6104040204532
713006006343
oct3006043350
91034581712
10404244200
11198204718
12b3469748
1365999369
143b98b45a
15257510d5
hex181846e8

404244200 has 48 divisors (see below), whose sum is σ = 942296460. Its totient is φ = 161280000.

The previous prime is 404244193. The next prime is 404244263. The reversal of 404244200 is 2442404.

It can be written as a sum of positive squares in 6 ways, for example, as 41036836 + 363207364 = 6406^2 + 19058^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 81800 + ... + 86600.

Almost surely, 2404244200 is an apocalyptic number.

404244200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404244200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471148230).

404244200 is an abundant number, since it is smaller than the sum of its proper divisors (538052260).

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

404244200 is a wasteful number, since it uses less digits than its factorization.

404244200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 404244200 is about 20105.8250265937. The cubic root of 404244200 is about 739.4030979086.

Adding to 404244200 its reverse (2442404), we get a palindrome (406686604).

The spelling of 404244200 in words is "four hundred four million, two hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 421 842 1684 2105 3368 4210 4801 8420 9602 10525 16840 19204 21050 24005 38408 42100 48010 84200 96020 120025 192040 240050 480100 960200 2021221 4042442 8084884 10106105 16169768 20212210 40424420 50530525 80848840 101061050 202122100 404244200