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189528200 = 2352947641
BaseRepresentation
bin10110100101111…
…11100010001000
3111012122000210222
423102333202020
5342004400300
630450125212
74460651231
oct1322774210
9435560728
10189528200
1197a90384
1253580808
133035ba84
141b258088
151198b785
hexb4bf888

189528200 has 24 divisors (see below), whose sum is σ = 440653530. Its totient is φ = 75811200.

The previous prime is 189528179. The next prime is 189528263. The reversal of 189528200 is 2825981.

189528200 is digitally balanced in base 2, 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 3 ways, for example, as 140612164 + 48916036 = 11858^2 + 6994^2 .

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, 473621 + ... + 474020.

Almost surely, 2189528200 is an apocalyptic number.

189528200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189528200 is an abundant number, since it is smaller than the sum of its proper divisors (251125330).

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

189528200 is a wasteful number, since it uses less digits than its factorization.

189528200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947657 (or 947648 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 189528200 is about 13766.9241299573. The cubic root of 189528200 is about 574.4134661766.

The spelling of 189528200 in words is "one hundred eighty-nine million, five hundred twenty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 947641 1895282 3790564 4738205 7581128 9476410 18952820 23691025 37905640 47382050 94764100 189528200