Base | Representation |
---|---|
bin | 100110100110… |
… | …111001111001 |
3 | 201001012011101 |
4 | 212212321321 |
5 | 10042331300 |
6 | 1000531401 |
7 | 152011531 |
oct | 46467171 |
9 | 21035141 |
10 | 10120825 |
11 | 5792a20 |
12 | 3480b61 |
13 | 2134870 |
14 | 14b64c1 |
15 | d4db6a |
hex | 9a6e79 |
10120825 has 48 divisors (see below), whose sum is σ = 15624000. Its totient is φ = 6393600.
The previous prime is 10120807. The next prime is 10120829. The reversal of 10120825 is 52802101.
It is not a de Polignac number, because 10120825 - 27 = 10120697 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (10120829) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67851 + ... + 67999.
It is an arithmetic number, because the mean of its divisors is an integer number (325500).
Almost surely, 210120825 is an apocalyptic number.
It is an amenable number.
10120825 is a deficient number, since it is larger than the sum of its proper divisors (5503175).
10120825 is a wasteful number, since it uses less digits than its factorization.
10120825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202 (or 197 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 10120825 is about 3181.3244097388. The cubic root of 10120825 is about 216.3076961892.
Adding to 10120825 its reverse (52802101), we get a palindrome (62922926).
The spelling of 10120825 in words is "ten million, one hundred twenty thousand, eight hundred twenty-five".
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