Base | Representation |
---|---|
bin | 100110101000… |
… | …000011000001 |
3 | 201001102120201 |
4 | 212220003001 |
5 | 10043004010 |
6 | 1001005201 |
7 | 152031265 |
oct | 46500301 |
9 | 21042521 |
10 | 10125505 |
11 | 5796495 |
12 | 3483801 |
13 | 2136a30 |
14 | 14b80a5 |
15 | d5023a |
hex | 9a80c1 |
10125505 has 8 divisors (see below), whose sum is σ = 13085352. Its totient is φ = 7477248.
The previous prime is 10125503. The next prime is 10125541. The reversal of 10125505 is 50552101.
It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 10042561 = 288^2 + 3169^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10125505 - 21 = 10125503 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10125503) 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, 77824 + ... + 77953.
It is an arithmetic number, because the mean of its divisors is an integer number (1635669).
Almost surely, 210125505 is an apocalyptic number.
It is an amenable number.
10125505 is a deficient number, since it is larger than the sum of its proper divisors (2959847).
10125505 is a wasteful number, since it uses less digits than its factorization.
10125505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155795.
The product of its (nonzero) digits is 250, while the sum is 19.
The square root of 10125505 is about 3182.0598674444. The cubic root of 10125505 is about 216.3410322075.
Adding to 10125505 its reverse (50552101), we get a palindrome (60677606).
The spelling of 10125505 in words is "ten million, one hundred twenty-five thousand, five hundred five".
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