Base | Representation |
---|---|
bin | 100110010000… |
… | …101111000100 |
3 | 200212120121020 |
4 | 212100233010 |
5 | 10031430040 |
6 | 554551140 |
7 | 151153020 |
oct | 46205704 |
9 | 20776536 |
10 | 10030020 |
11 | 5730780 |
12 | 34384b0 |
13 | 2102430 |
14 | 1491380 |
15 | d31cd0 |
hex | 990bc4 |
10030020 has 192 divisors, whose sum is σ = 37933056. Its totient is φ = 1912320.
The previous prime is 10030003. The next prime is 10030039. The reversal of 10030020 is 2003001.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a junction number, because it is equal to n+sod(n) for n = 10029990 and 10030008.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59977 + ... + 60143.
It is an arithmetic number, because the mean of its divisors is an integer number (197568).
Almost surely, 210030020 is an apocalyptic number.
10030020 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 10030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18966528).
10030020 is an abundant number, since it is smaller than the sum of its proper divisors (27903036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10030020 is a wasteful number, since it uses less digits than its factorization.
10030020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210 (or 208 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 6.
The square root of 10030020 is about 3167.0206819659. The cubic root of 10030020 is about 215.6588407294.
Adding to 10030020 its reverse (2003001), we get a palindrome (12033021).
The spelling of 10030020 in words is "ten million, thirty thousand, twenty".
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