Base | Representation |
---|---|
bin | 10110100010111… |
… | …11000010011101 |
3 | 111011212221122100 |
4 | 23101133002131 |
5 | 341404223312 |
6 | 30433435313 |
7 | 4454414016 |
oct | 1321370235 |
9 | 434787570 |
10 | 189132957 |
11 | 97840432 |
12 | 5340bb39 |
13 | 30250bc0 |
14 | 1b19400d |
15 | 1190e5dc |
hex | b45f09d |
189132957 has 24 divisors (see below), whose sum is σ = 294694400. Its totient is φ = 116196768.
The previous prime is 189132929. The next prime is 189132971. The reversal of 189132957 is 759231981.
It is not a de Polignac number, because 189132957 - 219 = 188608669 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189132907) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106644 + ... + 108402.
Almost surely, 2189132957 is an apocalyptic number.
It is an amenable number.
189132957 is a deficient number, since it is larger than the sum of its proper divisors (105561443).
189132957 is a wasteful number, since it uses less digits than its factorization.
189132957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2697 (or 2694 counting only the distinct ones).
The product of its digits is 136080, while the sum is 45.
The square root of 189132957 is about 13752.5618340730. The cubic root of 189132957 is about 574.0138934425.
The spelling of 189132957 in words is "one hundred eighty-nine million, one hundred thirty-two thousand, nine hundred fifty-seven".
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