Base | Representation |
---|---|
bin | 100110001110… |
… | …011110001110 |
3 | 200212002212220 |
4 | 212032132032 |
5 | 10031131000 |
6 | 554440210 |
7 | 151114005 |
oct | 46163616 |
9 | 20762786 |
10 | 10020750 |
11 | 5724813 |
12 | 3433066 |
13 | 20cb14c |
14 | 148bc3c |
15 | d2e1a0 |
hex | 98e78e |
10020750 has 64 divisors (see below), whose sum is σ = 25878528. Its totient is φ = 2580000.
The previous prime is 10020749. The next prime is 10020761. The reversal of 10020750 is 5702001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23035 + ... + 23465.
It is an arithmetic number, because the mean of its divisors is an integer number (404352).
Almost surely, 210020750 is an apocalyptic number.
10020750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10020750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12939264).
10020750 is an abundant number, since it is smaller than the sum of its proper divisors (15857778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10020750 is a wasteful number, since it uses less digits than its factorization.
10020750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 482 (or 472 counting only the distinct ones).
The product of its (nonzero) digits is 70, while the sum is 15.
The square root of 10020750 is about 3165.5568230566. The cubic root of 10020750 is about 215.5923811191.
Adding to 10020750 its reverse (5702001), we get a palindrome (15722751).
The spelling of 10020750 in words is "ten million, twenty thousand, seven hundred fifty".
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