Base | Representation |
---|---|
bin | 1101110111001… |
… | …0010101110010 |
3 | 11001101211010000 |
4 | 3131302111302 |
5 | 104340440033 |
6 | 5434050430 |
7 | 1304116266 |
oct | 335622562 |
9 | 131354100 |
10 | 58140018 |
11 | 2a900502 |
12 | 17579a16 |
13 | c0784a1 |
14 | 7a160a6 |
15 | 5186a13 |
hex | 3772572 |
58140018 has 40 divisors (see below), whose sum is σ = 131028480. Its totient is φ = 19268280.
The previous prime is 58140013. The next prime is 58140023. The reversal of 58140018 is 81004185.
It is an interprime number because it is at equal distance from previous prime (58140013) and next prime (58140023).
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 = 58139973 and 58140000.
It is not an unprimeable number, because it can be changed into a prime (58140011) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30003 + ... + 31881.
It is an arithmetic number, because the mean of its divisors is an integer number (3275712).
Almost surely, 258140018 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 58140018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65514240).
58140018 is an abundant number, since it is smaller than the sum of its proper divisors (72888462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
58140018 is a wasteful number, since it uses less digits than its factorization.
58140018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2084 (or 2075 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 58140018 is about 7624.9601966174. The cubic root of 58140018 is about 387.3989036303.
The spelling of 58140018 in words is "fifty-eight million, one hundred forty thousand, eighteen".
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