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204230000 = 2454131571
BaseRepresentation
bin11000010110001…
…00110101110000
3112020021221220002
430023010311300
5404240330000
632133205132
75026632512
oct1413046560
9466257802
10204230000
11a5312027
12584907a8
1333408770
141d1a3bb2
1512de28d5
hexc2c4d70

204230000 has 100 divisors (see below), whose sum is σ = 532835688. Its totient is φ = 75360000.

The previous prime is 204229999. The next prime is 204230011. The reversal of 204230000 is 32402.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129215 + ... + 130785.

Almost surely, 2204230000 is an apocalyptic number.

204230000 is a gapful number since it is divisible by the number (20) 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 204230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266417844).

204230000 is an abundant number, since it is smaller than the sum of its proper divisors (328605688).

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

204230000 is a wasteful number, since it uses less digits than its factorization.

204230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 204230000 is about 14290.9061993983. The cubic root of 204230000 is about 588.8976832409.

Adding to 204230000 its reverse (32402), we get a palindrome (204262402).

The spelling of 204230000 in words is "two hundred four million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 125 130 200 208 250 260 325 400 500 520 625 650 1000 1040 1250 1300 1571 1625 2000 2500 2600 3142 3250 5000 5200 6284 6500 7855 8125 10000 12568 13000 15710 16250 20423 25136 26000 31420 32500 39275 40846 62840 65000 78550 81692 102115 125680 130000 157100 163384 196375 204230 314200 326768 392750 408460 510575 628400 785500 816920 981875 1021150 1571000 1633840 1963750 2042300 2552875 3142000 3927500 4084600 5105750 7855000 8169200 10211500 12764375 15710000 20423000 25528750 40846000 51057500 102115000 204230000