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200100492 = 223226920663
BaseRepresentation
bin10111110110101…
…00101010001100
3111221112011021100
423323110222030
5402211203432
631504503100
74646553234
oct1373245214
9457464240
10200100492
11a2a51509
125701aa90
13325c0c77
141c80acc4
151287907c
hexbed4a8c

200100492 has 36 divisors (see below), whose sum is σ = 507714480. Its totient is φ = 66448992.

The previous prime is 200100473. The next prime is 200100499. The reversal of 200100492 is 294001002.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (200100499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (14103180).

Almost surely, 2200100492 is an apocalyptic number.

It is an amenable number.

200100492 is an abundant number, since it is smaller than the sum of its proper divisors (307613988).

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

200100492 is a wasteful number, since it uses less digits than its factorization.

200100492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20942 (or 20937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 200100492 is about 14145.6881062746. The cubic root of 200100492 is about 584.9014780392.

Adding to 200100492 its reverse (294001002), we get a palindrome (494101494).

The spelling of 200100492 in words is "two hundred million, one hundred thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 269 538 807 1076 1614 2421 3228 4842 9684 20663 41326 61989 82652 123978 185967 247956 371934 743868 5558347 11116694 16675041 22233388 33350082 50025123 66700164 100050246 200100492