Base | Representation |
---|---|
bin | 11011011011111… |
… | …01011110111000 |
3 | 121001001221100121 |
4 | 31231331132320 |
5 | 432404331440 |
6 | 34500543024 |
7 | 5463155302 |
oct | 1555753670 |
9 | 531057317 |
10 | 230152120 |
11 | 108a07770 |
12 | 650b1a74 |
13 | 388b35b3 |
14 | 227d0972 |
15 | 1531334a |
hex | db7d7b8 |
230152120 has 128 divisors (see below), whose sum is σ = 619358400. Its totient is φ = 75980800.
The previous prime is 230152093. The next prime is 230152121. The reversal of 230152120 is 21251032.
It is a junction number, because it is equal to n+sod(n) for n = 230152094 and 230152103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230152121) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 216390 + ... + 217450.
Almost surely, 2230152120 is an apocalyptic number.
230152120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230152120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309679200).
230152120 is an abundant number, since it is smaller than the sum of its proper divisors (389206280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230152120 is a wasteful number, since it uses less digits than its factorization.
230152120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129 (or 1125 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 230152120 is about 15170.7653069975. The cubic root of 230152120 is about 612.8276142664.
The spelling of 230152120 in words is "two hundred thirty million, one hundred fifty-two thousand, one hundred twenty".
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