| Base | Representation |
|---|---|
| bin | 11100101000001… |
| … | …01001001111100 |
| 3 | 121201212122001000 |
| 4 | 32110011021330 |
| 5 | 442434120040 |
| 6 | 35455050300 |
| 7 | 5644125153 |
| oct | 1624051174 |
| 9 | 551778030 |
| 10 | 240145020 |
| 11 | 113612565 |
| 12 | 68510990 |
| 13 | 3a9a1b5b |
| 14 | 23c7259a |
| 15 | 16139130 |
| hex | e50527c |
240145020 has 48 divisors (see below), whose sum is σ = 747119520. Its totient is φ = 64038528.
The previous prime is 240145019. The next prime is 240145021. The reversal of 240145020 is 20541042.
240145020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (240145019) and next prime (240145021).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 240144984 and 240145002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (240145021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221817 + ... + 222896.
It is an arithmetic number, because the mean of its divisors is an integer number (15564990).
Almost surely, 2240145020 is an apocalyptic number.
240145020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
240145020 is an abundant number, since it is smaller than the sum of its proper divisors (506974500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
240145020 is a wasteful number, since it uses less digits than its factorization.
240145020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 444731 (or 444723 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 240145020 is about 15496.6131783690. The cubic root of 240145020 is about 621.5716456708.
Adding to 240145020 its reverse (20541042), we get a palindrome (260686062).
The spelling of 240145020 in words is "two hundred forty million, one hundred forty-five thousand, twenty".
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