Base | Representation |
---|---|
bin | 10110100010111… |
… | …01001101100000 |
3 | 111011212120101010 |
4 | 23101131031200 |
5 | 341404003342 |
6 | 30433340520 |
7 | 4454353134 |
oct | 1321351540 |
9 | 434776333 |
10 | 189125472 |
11 | 97835848 |
12 | 53407740 |
13 | 3024a683 |
14 | 1b1913c4 |
15 | 1190c29c |
hex | b45d360 |
189125472 has 48 divisors (see below), whose sum is σ = 513581040. Its totient is φ = 60867072.
The previous prime is 189125471. The next prime is 189125581. The reversal of 189125472 is 274521981.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 189125472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189125471) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 31183 + ... + 36750.
It is an arithmetic number, because the mean of its divisors is an integer number (10699605).
Almost surely, 2189125472 is an apocalyptic number.
189125472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
189125472 is an abundant number, since it is smaller than the sum of its proper divisors (324455568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189125472 is a wasteful number, since it uses less digits than its factorization.
189125472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67975 (or 67967 counting only the distinct ones).
The product of its digits is 40320, while the sum is 39.
The square root of 189125472 is about 13752.2897002645. The cubic root of 189125472 is about 574.0063210787.
The spelling of 189125472 in words is "one hundred eighty-nine million, one hundred twenty-five thousand, four hundred seventy-two".
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