Base | Representation |
---|---|
bin | 1100010010110… |
… | …00110000111001 |
3 | 21012001020120100 |
4 | 12021120300321 |
5 | 202344432100 |
6 | 14122150013 |
7 | 2361353064 |
oct | 611306071 |
9 | 235036510 |
10 | 103124025 |
11 | 53235674 |
12 | 2a652309 |
13 | 18498744 |
14 | d9a58db |
15 | 90c0400 |
hex | 6258c39 |
103124025 has 27 divisors (see below), whose sum is σ = 184979821. Its totient is φ = 54918240.
The previous prime is 103124017. The next prime is 103124027. The reversal of 103124025 is 520421301.
The square root of 103124025 is 10155.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 29713401 + 73410624 = 5451^2 + 8568^2 .
It is not a de Polignac number, because 103124025 - 23 = 103124017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103123989 and 103124007.
It is not an unprimeable number, because it can be changed into a prime (103124027) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 151987 + ... + 152663.
Almost surely, 2103124025 is an apocalyptic number.
103124025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
103124025 is the 10155-th square number.
103124025 is the 5078-th centered octagonal number.
It is an amenable number.
103124025 is a deficient number, since it is larger than the sum of its proper divisors (81855796).
103124025 is an frugal number, since it uses more digits than its factorization.
103124025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1370 (or 685 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The cubic root of 103124025 is about 468.9428859518.
Adding to 103124025 its reverse (520421301), we get a palindrome (623545326).
The spelling of 103124025 in words is "one hundred three million, one hundred twenty-four thousand, twenty-five".
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