Base | Representation |
---|---|
bin | 100111101111… |
… | …111110000100 |
3 | 201121101200122 |
4 | 213233332010 |
5 | 10131420400 |
6 | 1011201112 |
7 | 154366205 |
oct | 47577604 |
9 | 21541618 |
10 | 10420100 |
11 | 5977859 |
12 | 35a6198 |
13 | 220ab52 |
14 | 15535ac |
15 | dac685 |
hex | 9eff84 |
10420100 has 36 divisors (see below), whose sum is σ = 22915200. Its totient is φ = 4112160.
The previous prime is 10420087. The next prime is 10420103. The reversal of 10420100 is 102401.
It is not an unprimeable number, because it can be changed into a prime (10420103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7241 + ... + 8559.
Almost surely, 210420100 is an apocalyptic number.
10420100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10420100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11457600).
10420100 is an abundant number, since it is smaller than the sum of its proper divisors (12495100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10420100 is a wasteful number, since it uses less digits than its factorization.
10420100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1412 (or 1405 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 10420100 is about 3228.0179677319. The cubic root of 10420100 is about 218.4191078918.
Adding to 10420100 its reverse (102401), we get a palindrome (10522501).
The spelling of 10420100 in words is "ten million, four hundred twenty thousand, one hundred".
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