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189048500 = 22531723967
BaseRepresentation
bin10110100010010…
…10011010110100
3111011201122210022
423101022122310
5341344023000
630431544312
74453612544
oct1321123264
9434648708
10189048500
1197792a33
125338b098
1330221624
141b171324
15118e4585
hexb44a6b4

189048500 has 96 divisors (see below), whose sum is σ = 456648192. Its totient is φ = 68006400.

The previous prime is 189048491. The next prime is 189048521. The reversal of 189048500 is 5840981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195017 + ... + 195983.

It is an arithmetic number, because the mean of its divisors is an integer number (4756752).

Almost surely, 2189048500 is an apocalyptic number.

189048500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189048500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228324096).

189048500 is an abundant number, since it is smaller than the sum of its proper divisors (267599692).

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

189048500 is a wasteful number, since it uses less digits than its factorization.

189048500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1014 counting only the distinct ones).

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

The square root of 189048500 is about 13749.4908996661. The cubic root of 189048500 is about 573.9284390791.

The spelling of 189048500 in words is "one hundred eighty-nine million, forty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 23 25 34 46 50 68 85 92 100 115 125 170 230 250 340 391 425 460 500 575 782 850 967 1150 1564 1700 1934 1955 2125 2300 2875 3868 3910 4250 4835 5750 7820 8500 9670 9775 11500 16439 19340 19550 22241 24175 32878 39100 44482 48350 48875 65756 82195 88964 96700 97750 111205 120875 164390 195500 222410 241750 328780 378097 410975 444820 483500 556025 756194 821950 1112050 1512388 1643900 1890485 2054875 2224100 2780125 3780970 4109750 5560250 7561940 8219500 9452425 11120500 18904850 37809700 47262125 94524250 189048500