Base | Representation |
---|---|
bin | 1100011001010… |
… | …10111111100101 |
3 | 21020122222202221 |
4 | 12030222333211 |
5 | 203110011000 |
6 | 14152432341 |
7 | 2401600426 |
oct | 614527745 |
9 | 236588687 |
10 | 103985125 |
11 | 53773622 |
12 | 2a9a86b1 |
13 | 1870a67a |
14 | db4b64d |
15 | 91e061a |
hex | 632afe5 |
103985125 has 8 divisors (see below), whose sum is σ = 129773592. Its totient is φ = 83188000.
The previous prime is 103985111. The next prime is 103985149. The reversal of 103985125 is 521589301.
It can be written as a sum of positive squares in 4 ways, for example, as 22877089 + 81108036 = 4783^2 + 9006^2 .
It is not a de Polignac number, because 103985125 - 213 = 103976933 is a prime.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415816 + ... + 416065.
It is an arithmetic number, because the mean of its divisors is an integer number (16221699).
Almost surely, 2103985125 is an apocalyptic number.
It is an amenable number.
103985125 is a deficient number, since it is larger than the sum of its proper divisors (25788467).
103985125 is an frugal number, since it uses more digits than its factorization.
103985125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 831896 (or 831886 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 34.
The square root of 103985125 is about 10197.3096942282. The cubic root of 103985125 is about 470.2445158960.
The spelling of 103985125 in words is "one hundred three million, nine hundred eighty-five thousand, one hundred twenty-five".
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