Base | Representation |
---|---|
bin | 10110100100110… |
… | …01011111000101 |
3 | 111012100010001000 |
4 | 23102121133011 |
5 | 341434403412 |
6 | 30442523513 |
7 | 4456431666 |
oct | 1322313705 |
9 | 435303030 |
10 | 189372357 |
11 | 97994289 |
12 | 53506599 |
13 | 30305b65 |
14 | 1b21736d |
15 | 1195a4dc |
hex | b4997c5 |
189372357 has 16 divisors (see below), whose sum is σ = 281983680. Its totient is φ = 125603856.
The previous prime is 189372343. The next prime is 189372413. The reversal of 189372357 is 753273981.
It is a happy number.
It is not a de Polignac number, because 189372357 - 24 = 189372341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189373357) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12483 + ... + 23120.
It is an arithmetic number, because the mean of its divisors is an integer number (17623980).
Almost surely, 2189372357 is an apocalyptic number.
It is an amenable number.
189372357 is a deficient number, since it is larger than the sum of its proper divisors (92611323).
189372357 is a wasteful number, since it uses less digits than its factorization.
189372357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35809 (or 35803 counting only the distinct ones).
The product of its digits is 317520, while the sum is 45.
The square root of 189372357 is about 13761.2629144276. The cubic root of 189372357 is about 574.2559823738.
The spelling of 189372357 in words is "one hundred eighty-nine million, three hundred seventy-two thousand, three hundred fifty-seven".
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