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204000200 = 23521020001
BaseRepresentation
bin11000010100011…
…00101111001000
3112012212021122222
430022030233020
5404211001300
632124233212
75024654525
oct1412145710
9465767588
10204000200
11a5175408
125839b808
1333357ca1
141d14414c
1512d99785
hexc28cbc8

204000200 has 24 divisors (see below), whose sum is σ = 474300930. Its totient is φ = 81600000.

The previous prime is 204000191. The next prime is 204000217. The reversal of 204000200 is 2000402.

It can be written as a sum of positive squares in 3 ways, for example, as 159617956 + 44382244 = 12634^2 + 6662^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509801 + ... + 510200.

Almost surely, 2204000200 is an apocalyptic number.

204000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204000200 is an abundant number, since it is smaller than the sum of its proper divisors (270300730).

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

204000200 is a wasteful number, since it uses less digits than its factorization.

204000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020017 (or 1020008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 204000200 is about 14282.8638584844. The cubic root of 204000200 is about 588.6767240662.

Adding to 204000200 its reverse (2000402), we get a palindrome (206000602).

The spelling of 204000200 in words is "two hundred four million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1020001 2040002 4080004 5100005 8160008 10200010 20400020 25500025 40800040 51000050 102000100 204000200