Base | Representation |
---|---|
bin | 1100010101000… |
… | …01000001111101 |
3 | 21012121021121110 |
4 | 12022201001331 |
5 | 202433420104 |
6 | 14132352233 |
7 | 2364025056 |
oct | 612410175 |
9 | 235537543 |
10 | 103420029 |
11 | 53417aa9 |
12 | 2a775679 |
13 | 185703ab |
14 | da4172d |
15 | 912ce89 |
hex | 62a107d |
103420029 has 12 divisors (see below), whose sum is σ = 144151616. Its totient is φ = 65947992.
The previous prime is 103420019. The next prime is 103420033. The reversal of 103420029 is 920024301.
It is not a de Polignac number, because 103420029 - 25 = 103419997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103419987 and 103420014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103420019) 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, 30997 + ... + 34170.
Almost surely, 2103420029 is an apocalyptic number.
It is an amenable number.
103420029 is a deficient number, since it is larger than the sum of its proper divisors (40731587).
103420029 is an equidigital number, since it uses as much as digits as its factorization.
103420029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65216 (or 65193 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 103420029 is about 10169.5638549546. The cubic root of 103420029 is about 469.3911370437.
The spelling of 103420029 in words is "one hundred three million, four hundred twenty thousand, twenty-nine".
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