Base | Representation |
---|---|
bin | 1100001011101… |
… | …11111010001111 |
3 | 21010022110012011 |
4 | 12011313322033 |
5 | 202130444043 |
6 | 14050322051 |
7 | 2350465666 |
oct | 605677217 |
9 | 233273164 |
10 | 102203023 |
11 | 5276670a |
12 | 2a289327 |
13 | 18235480 |
14 | d805ddd |
15 | 8e8c59d |
hex | 6177e8f |
102203023 has 8 divisors (see below), whose sum is σ = 110312048. Its totient is φ = 94129344.
The previous prime is 102202987. The next prime is 102203029. The reversal of 102203023 is 320302201.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102203023 - 217 = 102071951 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102202994 and 102203012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102203029) 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 7 ways as a sum of consecutive naturals, for example, 2661 + ... + 14542.
It is an arithmetic number, because the mean of its divisors is an integer number (13789006).
Almost surely, 2102203023 is an apocalyptic number.
102203023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
102203023 is a deficient number, since it is larger than the sum of its proper divisors (8109025).
102203023 is a wasteful number, since it uses less digits than its factorization.
102203023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17673.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 102203023 is about 10109.5510780647. The cubic root of 102203023 is about 467.5426641838.
Adding to 102203023 its reverse (320302201), we get a palindrome (422505224).
The spelling of 102203023 in words is "one hundred two million, two hundred three thousand, twenty-three".
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