Base | Representation |
---|---|
bin | 100110001011… |
… | …110110101001 |
3 | 200211120011200 |
4 | 212023312221 |
5 | 10030310100 |
6 | 554314413 |
7 | 151040514 |
oct | 46136651 |
9 | 20746150 |
10 | 10010025 |
11 | 5717753 |
12 | 3428a09 |
13 | 20c62bc |
14 | 1487d7b |
15 | d2ae00 |
hex | 98bda9 |
10010025 has 36 divisors (see below), whose sum is σ = 18990972. Its totient is φ = 5022720.
The previous prime is 10010023. The next prime is 10010029. The reversal of 10010025 is 52001001.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 992016 + 9018009 = 996^2 + 3003^2 .
It is not a de Polignac number, because 10010025 - 21 = 10010023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 10009989 and 10010016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10010023) by changing a digit.
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 35 ways as a sum of consecutive naturals, for example, 2517 + ... + 5133.
It is an arithmetic number, because the mean of its divisors is an integer number (527527).
Almost surely, 210010025 is an apocalyptic number.
10010025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10010025 is a deficient number, since it is larger than the sum of its proper divisors (8980947).
10010025 is a wasteful number, since it uses less digits than its factorization.
10010025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2650 (or 2642 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 9.
The square root of 10010025 is about 3163.8623547809. The cubic root of 10010025 is about 215.5154389845.
Adding to 10010025 its reverse (52001001), we get a palindrome (62011026).
The spelling of 10010025 in words is "ten million, ten thousand, twenty-five".
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