| Base | Representation |
|---|---|
| bin | 10100010001100… |
| … | …000000000000000 |
| 3 | 212201000111011120 |
| 4 | 110101200000000 |
| 5 | 1144033204330 |
| 6 | 53430112240 |
| 7 | 11300034006 |
| oct | 2421400000 |
| 9 | 781014146 |
| 10 | 340131840 |
| 11 | 164aa50a4 |
| 12 | 95aab680 |
| 13 | 5560c659 |
| 14 | 3325ca76 |
| 15 | 1ecd9c10 |
| hex | 14460000 |
340131840 has 144 divisors (see below), whose sum is σ = 1094709168. Its totient is φ = 90177536.
The previous prime is 340131823. The next prime is 340131877. The reversal of 340131840 is 48131043.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 340131840.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965994 + ... + 1966166.
It is an arithmetic number, because the mean of its divisors is an integer number (7602147).
Almost surely, 2340131840 is an apocalyptic number.
340131840 is a gapful number since it is divisible by the number (30) 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 340131840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547354584).
340131840 is an abundant number, since it is smaller than the sum of its proper divisors (754577328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
340131840 is an frugal number, since it uses more digits than its factorization.
340131840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215 (or 183 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 340131840 is about 18442.6635820317. The cubic root of 340131840 is about 698.0434069059.
Adding to 340131840 its reverse (48131043), we get a palindrome (388262883).
It can be divided in two parts, 34013 and 1840, that added together give a palindrome (35853).
The spelling of 340131840 in words is "three hundred forty million, one hundred thirty-one thousand, eight hundred forty".
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