Base | Representation |
---|---|
bin | 10010110101101… |
… | …01101100110101 |
3 | 102000100210021212 |
4 | 21122311230311 |
5 | 310423440040 |
6 | 23403051205 |
7 | 3626144513 |
oct | 1132655465 |
9 | 360323255 |
10 | 158030645 |
11 | 81227843 |
12 | 44b10b05 |
13 | 26981276 |
14 | 16db94b3 |
15 | dd18d65 |
hex | 96b5b35 |
158030645 has 8 divisors (see below), whose sum is σ = 189821880. Its totient is φ = 126301120.
The previous prime is 158030641. The next prime is 158030659. The reversal of 158030645 is 546030851.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1705636 + 156325009 = 1306^2 + 12503^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 158030645 - 22 = 158030641 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158030641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9590 + ... + 20199.
It is an arithmetic number, because the mean of its divisors is an integer number (23727735).
Almost surely, 2158030645 is an apocalyptic number.
It is an amenable number.
158030645 is a deficient number, since it is larger than the sum of its proper divisors (31791235).
158030645 is a wasteful number, since it uses less digits than its factorization.
158030645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30855.
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 158030645 is about 12571.0240235233. The cubic root of 158030645 is about 540.6469669090.
The spelling of 158030645 in words is "one hundred fifty-eight million, thirty thousand, six hundred forty-five".
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