Base | Representation |
---|---|
bin | 1100010101101… |
… | …01110011101010 |
3 | 21012202121100100 |
4 | 12022311303222 |
5 | 202444131010 |
6 | 14134250230 |
7 | 2364531141 |
oct | 612656352 |
9 | 235677310 |
10 | 103505130 |
11 | 53475a33 |
12 | 2a7b6976 |
13 | 185a0051 |
14 | da64758 |
15 | 91482c0 |
hex | 62b5cea |
103505130 has 24 divisors (see below), whose sum is σ = 269113572. Its totient is φ = 27601344.
The previous prime is 103505113. The next prime is 103505137. The reversal of 103505130 is 31505301.
It is a happy number.
103505130 is a `hidden beast` number, since 103 + 50 + 513 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 100340289 + 3164841 = 10017^2 + 1779^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (103505137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574939 + ... + 575118.
Almost surely, 2103505130 is an apocalyptic number.
103505130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103505130 is an abundant number, since it is smaller than the sum of its proper divisors (165608442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103505130 is a wasteful number, since it uses less digits than its factorization.
103505130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1150070 (or 1150067 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 18.
The square root of 103505130 is about 10173.7470973088. The cubic root of 103505130 is about 469.5198506783.
The spelling of 103505130 in words is "one hundred three million, five hundred five thousand, one hundred thirty".
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