Base | Representation |
---|---|
bin | 11011011110001… |
… | …11111100110110 |
3 | 121001122102202201 |
4 | 31233013330312 |
5 | 432444112032 |
6 | 34511255114 |
7 | 5465565466 |
oct | 1557077466 |
9 | 531572681 |
10 | 230457142 |
11 | 1090a5953 |
12 | 6521a49a |
13 | 3898c396 |
14 | 2286dba6 |
15 | 153738e7 |
hex | dbc7f36 |
230457142 has 16 divisors (see below), whose sum is σ = 358959600. Its totient is φ = 110834080.
The previous prime is 230457133. The next prime is 230457173. The reversal of 230457142 is 241754032.
It is a super-2 number, since 2×2304571422 = 106220988597616328, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 230457142.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8217 + ... + 22987.
It is an arithmetic number, because the mean of its divisors is an integer number (22434975).
Almost surely, 2230457142 is an apocalyptic number.
230457142 is a deficient number, since it is larger than the sum of its proper divisors (128502458).
230457142 is a wasteful number, since it uses less digits than its factorization.
230457142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15071.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 230457142 is about 15180.8149320120. The cubic root of 230457142 is about 613.0982228061.
The spelling of 230457142 in words is "two hundred thirty million, four hundred fifty-seven thousand, one hundred forty-two".
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