Base | Representation |
---|---|
bin | 1011001010101001… |
… | …0100000000001100 |
3 | 21201220012112210000 |
4 | 2302222110000030 |
5 | 22114320431203 |
6 | 1213233244300 |
7 | 134164534500 |
oct | 26252240014 |
9 | 7656175700 |
10 | 2997436428 |
11 | 12a8a7a398 |
12 | 6b7a03690 |
13 | 389cc772c |
14 | 20613a300 |
15 | 1282394a3 |
hex | b2a9400c |
2997436428 has 270 divisors, whose sum is σ = 9638612676. Its totient is φ = 809784864.
The previous prime is 2997436423. The next prime is 2997436441. The reversal of 2997436428 is 8246347992.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (2997436423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 5730975 + ... + 5731497.
Almost surely, 22997436428 is an apocalyptic number.
2997436428 is a gapful number since it is divisible by the number (28) 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 2997436428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4819306338).
2997436428 is an abundant number, since it is smaller than the sum of its proper divisors (6641176248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2997436428 is a wasteful number, since it uses less digits than its factorization.
2997436428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 591 (or 554 counting only the distinct ones).
The product of its digits is 5225472, while the sum is 54.
The square root of 2997436428 is about 54748.8486454282. The cubic root of 2997436428 is about 1441.8386409449.
The spelling of 2997436428 in words is "two billion, nine hundred ninety-seven million, four hundred thirty-six thousand, four hundred twenty-eight".
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