Base | Representation |
---|---|
bin | 1100001100000… |
… | …01111010001111 |
3 | 21010101112101012 |
4 | 12012001322033 |
5 | 202133301413 |
6 | 14051235435 |
7 | 2351026262 |
oct | 606017217 |
9 | 233345335 |
10 | 102243983 |
11 | 52794466 |
12 | 2a2a8b7b |
13 | 1824acca |
14 | d816cd9 |
15 | 8e997a8 |
hex | 6181e8f |
102243983 has 4 divisors (see below), whose sum is σ = 105542208. Its totient is φ = 98945760.
The previous prime is 102243929. The next prime is 102243989. The reversal of 102243983 is 389342201.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102243983 - 26 = 102243919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102243989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649066 + ... + 1649127.
It is an arithmetic number, because the mean of its divisors is an integer number (26385552).
Almost surely, 2102243983 is an apocalyptic number.
102243983 is a deficient number, since it is larger than the sum of its proper divisors (3298225).
102243983 is an equidigital number, since it uses as much as digits as its factorization.
102243983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3298224.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 102243983 is about 10111.5766821995. The cubic root of 102243983 is about 467.6051150103.
The spelling of 102243983 in words is "one hundred two million, two hundred forty-three thousand, nine hundred eighty-three".
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