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201430224 = 24325872383
BaseRepresentation
bin11000000000110…
…01010011010000
3112001000201022200
430000121103100
5403031231344
631553203200
74664062062
oct1400312320
9461021280
10201430224
11a377a566
1257560500
13329682a8
141ca75732
1512a3d069
hexc0194d0

201430224 has 60 divisors (see below), whose sum is σ = 564922176. Its totient is φ = 67000896.

The previous prime is 201430213. The next prime is 201430231. The reversal of 201430224 is 422034102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201430197 and 201430206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83337 + ... + 85719.

Almost surely, 2201430224 is an apocalyptic number.

201430224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201430224 is an abundant number, since it is smaller than the sum of its proper divisors (363491952).

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

201430224 is a wasteful number, since it uses less digits than its factorization.

201430224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201430224 is about 14192.6115989976. The cubic root of 201430224 is about 586.1942380091.

Adding to 201430224 its reverse (422034102), we get a palindrome (623464326).

The spelling of 201430224 in words is "two hundred one million, four hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 587 1174 1761 2348 2383 3522 4696 4766 5283 7044 7149 9392 9532 10566 14088 14298 19064 21132 21447 28176 28596 38128 42264 42894 57192 84528 85788 114384 171576 343152 1398821 2797642 4196463 5595284 8392926 11190568 12589389 16785852 22381136 25178778 33571704 50357556 67143408 100715112 201430224