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200130984 = 23322779597
BaseRepresentation
bin10111110110111…
…00000110101000
3111221120201002200
423323130012220
5402213142414
631505300200
74650041154
oct1373340650
9457521080
10200130984
11a2a72409
1257034660
1332601b01
141c818064
1512883109
hexbedc1a8

200130984 has 24 divisors (see below), whose sum is σ = 542021610. Its totient is φ = 66710304.

The previous prime is 200130961. The next prime is 200131003. The reversal of 200130984 is 489031002.

200130984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 180150084 + 19980900 = 13422^2 + 4470^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1389727 + ... + 1389870.

Almost surely, 2200130984 is an apocalyptic number.

200130984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200130984 is an abundant number, since it is smaller than the sum of its proper divisors (341890626).

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

200130984 is a wasteful number, since it uses less digits than its factorization.

200130984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779609 (or 2779602 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 200130984 is about 14146.7658494795. The cubic root of 200130984 is about 584.9311862954.

Adding to 200130984 its reverse (489031002), we get a palindrome (689161986).

The spelling of 200130984 in words is "two hundred million, one hundred thirty thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2779597 5559194 8338791 11118388 16677582 22236776 25016373 33355164 50032746 66710328 100065492 200130984