Base | Representation |
---|---|
bin | 1010011010111010… |
… | …1001011101110001 |
3 | 21012221111211120121 |
4 | 2212232221131301 |
5 | 21212043340241 |
6 | 1141322410241 |
7 | 126214126042 |
oct | 24656513561 |
9 | 7187454517 |
10 | 2797246321 |
11 | 1205a77621 |
12 | 660960981 |
13 | 3576a4a4c |
14 | 1c77088c9 |
15 | 115893ad1 |
hex | a6ba9771 |
2797246321 has 3 divisors (see below), whose sum is σ = 2797299211. Its totient is φ = 2797193432.
The previous prime is 2797246289. The next prime is 2797246373. The reversal of 2797246321 is 1236427972.
The square root of 2797246321 is 52889.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 1928175921 + 869070400 = 43911^2 + 29480^2 .
It is not a de Polignac number, because 2797246321 - 25 = 2797246289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2797246381) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26445 + ... + 79333.
Almost surely, 22797246321 is an apocalyptic number.
2797246321 is the 52889-th square number.
2797246321 is the 26445-th centered octagonal number.
It is an amenable number.
2797246321 is a deficient number, since it is larger than the sum of its proper divisors (52890).
2797246321 is an frugal number, since it uses more digits than its factorization.
2797246321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105778 (or 52889 counting only the distinct ones).
The product of its digits is 254016, while the sum is 43.
The cubic root of 2797246321 is about 1408.9975472783.
Multiplying 2797246321 by its product of digits (254016), we get a square (710545321475136 = 266560562).
The spelling of 2797246321 in words is "two billion, seven hundred ninety-seven million, two hundred forty-six thousand, three hundred twenty-one".
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