Base | Representation |
---|---|
bin | 11011011011010… |
… | …11011001011011 |
3 | 121000221011202000 |
4 | 31231223121123 |
5 | 432344444133 |
6 | 34455212043 |
7 | 5462426316 |
oct | 1555533133 |
9 | 530834660 |
10 | 230078043 |
11 | 108967048 |
12 | 65077023 |
13 | 38888970 |
14 | 227b197d |
15 | 152eb413 |
hex | db6b65b |
230078043 has 32 divisors (see below), whose sum is σ = 367987200. Its totient is φ = 141235488.
The previous prime is 230078033. The next prime is 230078047. The reversal of 230078043 is 340870032.
It is not a de Polignac number, because 230078043 - 26 = 230077979 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 230077998 and 230078016.
It is not an unprimeable number, because it can be changed into a prime (230078047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258946 + ... + 259832.
It is an arithmetic number, because the mean of its divisors is an integer number (11499600).
Almost surely, 2230078043 is an apocalyptic number.
230078043 is a deficient number, since it is larger than the sum of its proper divisors (137909157).
230078043 is a wasteful number, since it uses less digits than its factorization.
230078043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1648 (or 1642 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 230078043 is about 15168.3236713883. The cubic root of 230078043 is about 612.7618587674.
The spelling of 230078043 in words is "two hundred thirty million, seventy-eight thousand, forty-three".
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