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420224200 = 235211251761
BaseRepresentation
bin11001000011000…
…001110011001000
31002021201121020021
4121003001303020
51330034133300
6105410510224
713261563304
oct3103016310
91067647207
10420224200
111a6229730
12b8895374
13690a2a96
143db4ad04
1526d5ad1a
hex190c1cc8

420224200 has 96 divisors (see below), whose sum is σ = 1071493920. Its totient is φ = 152000000.

The previous prime is 420224183. The next prime is 420224213. The reversal of 420224200 is 2422024.

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 23 ways as a sum of consecutive naturals, for example, 551820 + ... + 552580.

It is an arithmetic number, because the mean of its divisors is an integer number (11161395).

Almost surely, 2420224200 is an apocalyptic number.

420224200 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 420224200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535746960).

420224200 is an abundant number, since it is smaller than the sum of its proper divisors (651269720).

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

420224200 is a wasteful number, since it uses less digits than its factorization.

420224200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 420224200 is about 20499.3707220490. The cubic root of 420224200 is about 749.0204693982.

Adding to 420224200 its reverse (2422024), we get a palindrome (422646224).

The spelling of 420224200 in words is "four hundred twenty million, two hundred twenty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 251 275 440 502 550 761 1004 1100 1255 1522 2008 2200 2510 2761 3044 3805 5020 5522 6088 6275 7610 8371 10040 11044 12550 13805 15220 16742 19025 22088 25100 27610 30440 33484 38050 41855 50200 55220 66968 69025 76100 83710 110440 138050 152200 167420 191011 209275 276100 334840 382022 418550 552200 764044 837100 955055 1528088 1674200 1910110 2101121 3820220 4202242 4775275 7640440 8404484 9550550 10505605 16808968 19101100 21011210 38202200 42022420 52528025 84044840 105056050 210112100 420224200