Base | Representation |
---|---|
bin | 101100000000… |
… | …0110000110101 |
3 | 1121102011120000 |
4 | 1120000300311 |
5 | 21401244142 |
6 | 2142301513 |
7 | 400051500 |
oct | 130006065 |
9 | 47364500 |
10 | 23071797 |
11 | 12029201 |
12 | 7887899 |
13 | 4a1a668 |
14 | 30c8137 |
15 | 205b14c |
hex | 1600c35 |
23071797 has 30 divisors (see below), whose sum is σ = 40099158. Its totient is φ = 13181616.
The previous prime is 23071787. The next prime is 23071813. The reversal of 23071797 is 79717032.
It can be written as a sum of positive squares in only one way, i.e., 21150801 + 1920996 = 4599^2 + 1386^2 .
It is not a de Polignac number, because 23071797 - 28 = 23071541 is a prime.
It is a super-3 number, since 3×230717973 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23071717) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1063 + ... + 6875.
Almost surely, 223071797 is an apocalyptic number.
23071797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
23071797 is a deficient number, since it is larger than the sum of its proper divisors (17027361).
23071797 is an equidigital number, since it uses as much as digits as its factorization.
23071797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5839 (or 5823 counting only the distinct ones).
The product of its (nonzero) digits is 18522, while the sum is 36.
The square root of 23071797 is about 4803.3110455185. The cubic root of 23071797 is about 284.6823052712.
It can be divided in two parts, 230 and 71797, that added together give a palindrome (72027).
The spelling of 23071797 in words is "twenty-three million, seventy-one thousand, seven hundred ninety-seven".
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