Base | Representation |
---|---|
bin | 11011011101100… |
… | …11011001101011 |
3 | 121001111011022021 |
4 | 31232303121223 |
5 | 432433413341 |
6 | 34505405311 |
7 | 5465065213 |
oct | 1556633153 |
9 | 531434267 |
10 | 230372971 |
11 | 109048694 |
12 | 65199837 |
13 | 3895cc8a |
14 | 2284b243 |
15 | 153589d1 |
hex | dbb366b |
230372971 has 4 divisors (see below), whose sum is σ = 230478192. Its totient is φ = 230267752.
The previous prime is 230372969. The next prime is 230372977. The reversal of 230372971 is 179273032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230372971 - 21 = 230372969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230372977) 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, 49255 + ... + 53728.
It is an arithmetic number, because the mean of its divisors is an integer number (57619548).
Almost surely, 2230372971 is an apocalyptic number.
230372971 is a deficient number, since it is larger than the sum of its proper divisors (105221).
230372971 is a wasteful number, since it uses less digits than its factorization.
230372971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105220.
The product of its (nonzero) digits is 15876, while the sum is 34.
The square root of 230372971 is about 15178.0423968310. The cubic root of 230372971 is about 613.0235720865.
The spelling of 230372971 in words is "two hundred thirty million, three hundred seventy-two thousand, nine hundred seventy-one".
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