Base | Representation |
---|---|
bin | 100111101000… |
… | …000010101001 |
3 | 201112202010212 |
4 | 213220002221 |
5 | 10124401000 |
6 | 1010350505 |
7 | 154202423 |
oct | 47500251 |
9 | 21482125 |
10 | 10387625 |
11 | 5955416 |
12 | 358b435 |
13 | 21c9131 |
14 | 1545813 |
15 | da2c35 |
hex | 9e80a9 |
10387625 has 8 divisors (see below), whose sum is σ = 12963912. Its totient is φ = 8310000.
The previous prime is 10387621. The next prime is 10387627. The reversal of 10387625 is 52678301.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 326041 + 10061584 = 571^2 + 3172^2 .
It is not a de Polignac number, because 10387625 - 22 = 10387621 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10387591 and 10387600.
It is not an unprimeable number, because it can be changed into a prime (10387621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41426 + ... + 41675.
It is an arithmetic number, because the mean of its divisors is an integer number (1620489).
Almost surely, 210387625 is an apocalyptic number.
It is an amenable number.
10387625 is a deficient number, since it is larger than the sum of its proper divisors (2576287).
10387625 is an frugal number, since it uses more digits than its factorization.
10387625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83116 (or 83106 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 10387625 is about 3222.9838659230. The cubic root of 10387625 is about 218.1919654109.
The spelling of 10387625 in words is "ten million, three hundred eighty-seven thousand, six hundred twenty-five".
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