Base | Representation |
---|---|
bin | 1100001101010… |
… | …11101010101111 |
3 | 21010201020000000 |
4 | 12012223222233 |
5 | 202204240043 |
6 | 14055035343 |
7 | 2352341034 |
oct | 606535257 |
9 | 233636000 |
10 | 102415023 |
11 | 528a0a17 |
12 | 2a36bb53 |
13 | 182aab09 |
14 | d85d38b |
15 | 8ed02d3 |
hex | 61abaaf |
102415023 has 16 divisors (see below), whose sum is σ = 153602400. Its totient is φ = 68275224.
The previous prime is 102415013. The next prime is 102415031. The reversal of 102415023 is 320514201.
It is not a de Polignac number, because 102415023 - 210 = 102413999 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102414987 and 102415005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102415003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21228 + ... + 25601.
It is an arithmetic number, because the mean of its divisors is an integer number (9600150).
Almost surely, 2102415023 is an apocalyptic number.
102415023 is a deficient number, since it is larger than the sum of its proper divisors (51187377).
102415023 is an frugal number, since it uses more digits than its factorization.
102415023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46850 (or 46832 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 102415023 is about 10120.0307805856. The cubic root of 102415023 is about 467.8657159112.
Adding to 102415023 its reverse (320514201), we get a palindrome (422929224).
The spelling of 102415023 in words is "one hundred two million, four hundred fifteen thousand, twenty-three".
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