Base | Representation |
---|---|
bin | 11011011110000… |
… | …01111011011110 |
3 | 121001121011221020 |
4 | 31233001323132 |
5 | 432442314403 |
6 | 34510545010 |
7 | 5465433543 |
oct | 1557017336 |
9 | 531534836 |
10 | 230432478 |
11 | 109089371 |
12 | 65208166 |
13 | 389810a3 |
14 | 22864bca |
15 | 1536b453 |
hex | dbc1ede |
230432478 has 16 divisors (see below), whose sum is σ = 462341136. Its totient is φ = 76564800.
The previous prime is 230432473. The next prime is 230432507. The reversal of 230432478 is 874234032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230432471) 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, 59473 + ... + 63228.
It is an arithmetic number, because the mean of its divisors is an integer number (28896321).
Almost surely, 2230432478 is an apocalyptic number.
230432478 is an abundant number, since it is smaller than the sum of its proper divisors (231908658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230432478 is a wasteful number, since it uses less digits than its factorization.
230432478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123019.
The product of its (nonzero) digits is 32256, while the sum is 33.
The square root of 230432478 is about 15180.0025691697. The cubic root of 230432478 is about 613.0763503459.
The spelling of 230432478 in words is "two hundred thirty million, four hundred thirty-two thousand, four hundred seventy-eight".
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