Base | Representation |
---|---|
bin | 1100010101001… |
… | …10011111100101 |
3 | 21012122102022012 |
4 | 12022212133211 |
5 | 202440124110 |
6 | 14133044005 |
7 | 2364150233 |
oct | 612463745 |
9 | 235572265 |
10 | 103442405 |
11 | 534328a0 |
12 | 2a786605 |
13 | 1857a631 |
14 | da49953 |
15 | 9134905 |
hex | 62a67e5 |
103442405 has 16 divisors (see below), whose sum is σ = 136176768. Its totient is φ = 74808000.
The previous prime is 103442393. The next prime is 103442411. The reversal of 103442405 is 504244301.
It is not a de Polignac number, because 103442405 - 28 = 103442149 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 4760 + ... + 15150.
It is an arithmetic number, because the mean of its divisors is an integer number (8511048).
Almost surely, 2103442405 is an apocalyptic number.
It is an amenable number.
103442405 is a deficient number, since it is larger than the sum of its proper divisors (32734363).
103442405 is a wasteful number, since it uses less digits than its factorization.
103442405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10588.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 103442405 is about 10170.6639409628. The cubic root of 103442405 is about 469.4249871556.
Adding to 103442405 its reverse (504244301), we get a palindrome (607686706).
The spelling of 103442405 in words is "one hundred three million, four hundred forty-two thousand, four hundred five".
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