Base | Representation |
---|---|
bin | 100100001011111… |
… | …1101011001000000 |
3 | 10010121210210120201 |
4 | 1020113331121000 |
5 | 4441321142240 |
6 | 320253214544 |
7 | 42042605146 |
oct | 11027753100 |
9 | 3117723521 |
10 | 1214240320 |
11 | 5734527a7 |
12 | 29a791454 |
13 | 16473c0c7 |
14 | b7399596 |
15 | 718eed9a |
hex | 485fd640 |
1214240320 has 56 divisors (see below), whose sum is σ = 2895868224. Its totient is φ = 484947456.
The previous prime is 1214240299. The next prime is 1214240329. The reversal of 1214240320 is 230424121.
It is not an unprimeable number, because it can be changed into a prime (1214240329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235207 + ... + 240313.
Almost surely, 21214240320 is an apocalyptic number.
1214240320 is a gapful number since it is divisible by the number (10) 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 1214240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447934112).
1214240320 is an abundant number, since it is smaller than the sum of its proper divisors (1681627904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214240320 is an equidigital number, since it uses as much as digits as its factorization.
1214240320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5867 (or 5857 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 1214240320 is about 34845.9512712740. The cubic root of 1214240320 is about 1066.8455498602.
Adding to 1214240320 its reverse (230424121), we get a palindrome (1444664441).
The spelling of 1214240320 in words is "one billion, two hundred fourteen million, two hundred forty thousand, three hundred twenty".
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