Base | Representation |
---|---|
bin | 100111000001… |
… | …110010001001 |
3 | 201020210012000 |
4 | 213001302021 |
5 | 10104342141 |
6 | 1003141213 |
7 | 152650521 |
oct | 47016211 |
9 | 21223160 |
10 | 10230921 |
11 | 5858708 |
12 | 3514809 |
13 | 21729cc |
14 | 1504681 |
15 | d715b6 |
hex | 9c1c89 |
10230921 has 16 divisors (see below), whose sum is σ = 15254400. Its totient is φ = 6776784.
The previous prime is 10230901. The next prime is 10230937. The reversal of 10230921 is 12903201.
It is a happy number.
It is not a de Polignac number, because 10230921 - 210 = 10229897 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 10230894 and 10230903.
It is not an unprimeable number, because it can be changed into a prime (10230901) 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, 3375 + ... + 5643.
It is an arithmetic number, because the mean of its divisors is an integer number (953400).
Almost surely, 210230921 is an apocalyptic number.
It is an amenable number.
10230921 is a deficient number, since it is larger than the sum of its proper divisors (5023479).
10230921 is a wasteful number, since it uses less digits than its factorization.
10230921 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2445 (or 2439 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 10230921 is about 3198.5810916717. The cubic root of 10230921 is about 217.0892127534.
The spelling of 10230921 in words is "ten million, two hundred thirty thousand, nine hundred twenty-one".
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