Base | Representation |
---|---|
bin | 10110101010100… |
… | …10111110111101 |
3 | 111020202201021202 |
4 | 23111102332331 |
5 | 342133212112 |
6 | 30511105245 |
7 | 4466045105 |
oct | 1325227675 |
9 | 436681252 |
10 | 190132157 |
11 | 98363116 |
12 | 53812225 |
13 | 30510947 |
14 | 1b374205 |
15 | 11a5a6c2 |
hex | b552fbd |
190132157 has 4 divisors (see below), whose sum is σ = 190162140. Its totient is φ = 190102176.
The previous prime is 190132141. The next prime is 190132169. The reversal of 190132157 is 751231091.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 39677401 + 150454756 = 6299^2 + 12266^2 .
It is a cyclic number.
It is not a de Polignac number, because 190132157 - 24 = 190132141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190132357) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328 + ... + 19545.
It is an arithmetic number, because the mean of its divisors is an integer number (47540535).
Almost surely, 2190132157 is an apocalyptic number.
It is an amenable number.
190132157 is a deficient number, since it is larger than the sum of its proper divisors (29983).
190132157 is an equidigital number, since it uses as much as digits as its factorization.
190132157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29982.
The product of its (nonzero) digits is 1890, while the sum is 29.
The square root of 190132157 is about 13788.8417570150. The cubic root of 190132157 is about 575.0229677026.
The spelling of 190132157 in words is "one hundred ninety million, one hundred thirty-two thousand, one hundred fifty-seven".
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