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189035500 = 2253378071
BaseRepresentation
bin10110100010001…
…11001111101100
3111011200222221211
423101013033230
5341343114000
630431404204
74453526623
oct1321071754
9434628854
10189035500
1197784195
1253383664
1330218734
141b16a6ba
15118e07ba
hexb4473ec

189035500 has 24 divisors (see below), whose sum is σ = 412854624. Its totient is φ = 75614000.

The previous prime is 189035453. The next prime is 189035507. The reversal of 189035500 is 5530981.

It is not an unprimeable number, because it can be changed into a prime (189035507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188536 + ... + 189535.

It is an arithmetic number, because the mean of its divisors is an integer number (17202276).

Almost surely, 2189035500 is an apocalyptic number.

189035500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189035500 is an abundant number, since it is smaller than the sum of its proper divisors (223819124).

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

189035500 is a wasteful number, since it uses less digits than its factorization.

189035500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378090 (or 378078 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 189035500 is about 13749.0181467623. The cubic root of 189035500 is about 573.9152833003.

The spelling of 189035500 in words is "one hundred eighty-nine million, thirty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 378071 756142 1512284 1890355 3780710 7561420 9451775 18903550 37807100 47258875 94517750 189035500