Base | Representation |
---|---|
bin | 1100001101100… |
… | …11111100101111 |
3 | 21010202221112022 |
4 | 12012303330233 |
5 | 202211331233 |
6 | 14055500355 |
7 | 2352541652 |
oct | 606637457 |
9 | 233687468 |
10 | 102448943 |
11 | 52914453 |
12 | 2a3876bb |
13 | 182c039c |
14 | d86b899 |
15 | 8eda398 |
hex | 61b3f2f |
102448943 has 4 divisors (see below), whose sum is σ = 103231128. Its totient is φ = 101666760.
The previous prime is 102448939. The next prime is 102448979. The reversal of 102448943 is 349844201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349844201 = 7 ⋅49977743.
It is a cyclic number.
It is not a de Polignac number, because 102448943 - 22 = 102448939 is a prime.
It is a super-3 number, since 3×1024489433 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102448043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390896 + ... + 391157.
It is an arithmetic number, because the mean of its divisors is an integer number (25807782).
Almost surely, 2102448943 is an apocalyptic number.
102448943 is a deficient number, since it is larger than the sum of its proper divisors (782185).
102448943 is an equidigital number, since it uses as much as digits as its factorization.
102448943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 782184.
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 102448943 is about 10121.7065260755. The cubic root of 102448943 is about 467.9173628047.
The spelling of 102448943 in words is "one hundred two million, four hundred forty-eight thousand, nine hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •