Base | Representation |
---|---|
bin | 100111101010010… |
… | …0000000101101100 |
3 | 10102202002100021000 |
4 | 1033110200011230 |
5 | 10211134240010 |
6 | 340015040300 |
7 | 44656252455 |
oct | 11724400554 |
9 | 3382070230 |
10 | 1330774380 |
11 | 623207541 |
12 | 311810090 |
13 | 182921580 |
14 | c8a5212c |
15 | 7bc6d7c0 |
hex | 4f52016c |
1330774380 has 192 divisors, whose sum is σ = 4489873920. Its totient is φ = 325285632.
The previous prime is 1330774349. The next prime is 1330774381. The reversal of 1330774380 is 834770331.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1330774381) 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 63 ways as a sum of consecutive naturals, for example, 1143679 + ... + 1144841.
It is an arithmetic number, because the mean of its divisors is an integer number (23384760).
Almost surely, 21330774380 is an apocalyptic number.
1330774380 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 1330774380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244936960).
1330774380 is an abundant number, since it is smaller than the sum of its proper divisors (3159099540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1330774380 is a wasteful number, since it uses less digits than its factorization.
1330774380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1357 (or 1349 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The square root of 1330774380 is about 36479.7804269708. The cubic root of 1330774380 is about 1099.9378422177.
The spelling of 1330774380 in words is "one billion, three hundred thirty million, seven hundred seventy-four thousand, three hundred eighty".
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