Base | Representation |
---|---|
bin | 1100001111011… |
… | …11101001000011 |
3 | 21011020100220212 |
4 | 12013233221003 |
5 | 202242142233 |
6 | 14105024335 |
7 | 2354610536 |
oct | 607575103 |
9 | 234210825 |
10 | 102693443 |
11 | 52a71116 |
12 | 2a4850ab |
13 | 18377768 |
14 | d8d2a1d |
15 | 9037a48 |
hex | 61efa43 |
102693443 has 4 divisors (see below), whose sum is σ = 103993440. Its totient is φ = 101393448.
The previous prime is 102693433. The next prime is 102693457. The reversal of 102693443 is 344396201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344396201 = 2803 ⋅122867.
It is a cyclic number.
It is not a de Polignac number, because 102693443 - 212 = 102689347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102693403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649880 + ... + 650037.
It is an arithmetic number, because the mean of its divisors is an integer number (25998360).
Almost surely, 2102693443 is an apocalyptic number.
102693443 is a deficient number, since it is larger than the sum of its proper divisors (1299997).
102693443 is an equidigital number, since it uses as much as digits as its factorization.
102693443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1299996.
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 102693443 is about 10133.7773312818. Note that the first 3 decimals coincide. The cubic root of 102693443 is about 468.2893038595.
The spelling of 102693443 in words is "one hundred two million, six hundred ninety-three thousand, four hundred forty-three".
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