Base | Representation |
---|---|
bin | 1100010101100… |
… | …10111000010111 |
3 | 21012201222220101 |
4 | 12022302320113 |
5 | 202443240033 |
6 | 14134114531 |
7 | 2364451165 |
oct | 612627027 |
9 | 235658811 |
10 | 103493143 |
11 | 53467a26 |
12 | 2a7aba47 |
13 | 18597760 |
14 | da60235 |
15 | 914497d |
hex | 62b2e17 |
103493143 has 16 divisors (see below), whose sum is σ = 114744672. Its totient is φ = 92736000.
The previous prime is 103493119. The next prime is 103493147. The reversal of 103493143 is 341394301.
It is a cyclic number.
It is not a de Polignac number, because 103493143 - 225 = 69938711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103493147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149428 + ... + 150118.
It is an arithmetic number, because the mean of its divisors is an integer number (7171542).
Almost surely, 2103493143 is an apocalyptic number.
103493143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
103493143 is a deficient number, since it is larger than the sum of its proper divisors (11251529).
103493143 is a wasteful number, since it uses less digits than its factorization.
103493143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 103493143 is about 10173.1579659415. The cubic root of 103493143 is about 469.5017248401.
The spelling of 103493143 in words is "one hundred three million, four hundred ninety-three thousand, one hundred forty-three".
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