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200223240 = 23357238361
BaseRepresentation
bin10111110111100…
…10101000001000
3111221202101122120
423323302220020
5402224120430
631511251240
74650604140
oct1373625010
9457671576
10200223240
11a3025758
1257079b20
1332634ab9
141c83d920
15128a0610
hexbef2a08

200223240 has 64 divisors (see below), whose sum is σ = 686482560. Its totient is φ = 45765120.

The previous prime is 200223239. The next prime is 200223259. The reversal of 200223240 is 42322002.

200223240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118341 + ... + 120020.

It is an arithmetic number, because the mean of its divisors is an integer number (10726290).

Almost surely, 2200223240 is an apocalyptic number.

200223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200223240 is an abundant number, since it is smaller than the sum of its proper divisors (486259320).

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

200223240 is a wasteful number, since it uses less digits than its factorization.

200223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238382 (or 238378 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 200223240 is about 14150.0261483857. The cubic root of 200223240 is about 585.0210526429.

Adding to 200223240 its reverse (42322002), we get a palindrome (242545242).

The spelling of 200223240 in words is "two hundred million, two hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 238361 476722 715083 953444 1191805 1430166 1668527 1906888 2383610 2860332 3337054 3575415 4767220 5005581 5720664 6674108 7150830 8342635 9534440 10011162 13348216 14301660 16685270 20022324 25027905 28603320 33370540 40044648 50055810 66741080 100111620 200223240