Base | Representation |
---|---|
bin | 1100001101011… |
… | …00111010111001 |
3 | 21010201111001000 |
4 | 12012230322321 |
5 | 202204421103 |
6 | 14055115213 |
7 | 2352362013 |
oct | 606547271 |
9 | 233644030 |
10 | 102420153 |
11 | 528a4860 |
12 | 2a372b09 |
13 | 182b0254 |
14 | d8611b3 |
15 | 8ed1aa3 |
hex | 61aceb9 |
102420153 has 32 divisors (see below), whose sum is σ = 168030720. Its totient is φ = 61134480.
The previous prime is 102420151. The next prime is 102420163. The reversal of 102420153 is 351024201.
It is not a de Polignac number, because 102420153 - 21 = 102420151 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102420151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17326 + ... + 22472.
It is an arithmetic number, because the mean of its divisors is an integer number (5250960).
Almost surely, 2102420153 is an apocalyptic number.
It is an amenable number.
102420153 is a deficient number, since it is larger than the sum of its proper divisors (65610567).
102420153 is a wasteful number, since it uses less digits than its factorization.
102420153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5234 (or 5228 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 102420153 is about 10120.2842351389. The cubic root of 102420153 is about 467.8735276266.
Adding to 102420153 its reverse (351024201), we get a palindrome (453444354).
The spelling of 102420153 in words is "one hundred two million, four hundred twenty thousand, one hundred fifty-three".
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