Base | Representation |
---|---|
bin | 11011011110101… |
… | …10000100111001 |
3 | 121001202101010122 |
4 | 31233112010321 |
5 | 433002440001 |
6 | 34512423025 |
7 | 5466226253 |
oct | 1557260471 |
9 | 531671118 |
10 | 230515001 |
11 | 109135372 |
12 | 65247a75 |
13 | 389ac812 |
14 | 22886cd3 |
15 | 15385b1b |
hex | dbd6139 |
230515001 has 8 divisors (see below), whose sum is σ = 231912480. Its totient is φ = 229122432.
The previous prime is 230514989. The next prime is 230515009. The reversal of 230515001 is 100515032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230515001 - 26 = 230514937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230515009) 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, 132926 + ... + 134648.
It is an arithmetic number, because the mean of its divisors is an integer number (28989060).
Almost surely, 2230515001 is an apocalyptic number.
It is an amenable number.
230515001 is a deficient number, since it is larger than the sum of its proper divisors (1397479).
230515001 is a wasteful number, since it uses less digits than its factorization.
230515001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2455.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 230515001 is about 15182.7204742760. The cubic root of 230515001 is about 613.1495270407.
The spelling of 230515001 in words is "two hundred thirty million, five hundred fifteen thousand, one".
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