Base | Representation |
---|---|
bin | 1100001101011… |
… | …00111001000001 |
3 | 21010201110212120 |
4 | 12012230321001 |
5 | 202204420113 |
6 | 14055114453 |
7 | 2352361452 |
oct | 606547101 |
9 | 233643776 |
10 | 102420033 |
11 | 528a4761 |
12 | 2a372a29 |
13 | 182b0191 |
14 | d861129 |
15 | 8ed1a23 |
hex | 61ace41 |
102420033 has 16 divisors (see below), whose sum is σ = 140947776. Its totient is φ = 66104640.
The previous prime is 102419987. The next prime is 102420061. The reversal of 102420033 is 330024201.
It is not a de Polignac number, because 102420033 - 26 = 102419969 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 102419994 and 102420021.
It is not an unprimeable number, because it can be changed into a prime (102420133) 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, 21235 + ... + 25607.
It is an arithmetic number, because the mean of its divisors is an integer number (8809236).
Almost surely, 2102420033 is an apocalyptic number.
It is an amenable number.
102420033 is a deficient number, since it is larger than the sum of its proper divisors (38527743).
102420033 is a wasteful number, since it uses less digits than its factorization.
102420033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4624.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 102420033 is about 10120.2783064499. The cubic root of 102420033 is about 467.8733448994.
Adding to 102420033 its reverse (330024201), we get a palindrome (432444234).
The spelling of 102420033 in words is "one hundred two million, four hundred twenty thousand, thirty-three".
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