Base | Representation |
---|---|
bin | 100101000001… |
… | …1100010001111 |
3 | 1100112021211000 |
4 | 1022003202033 |
5 | 14432210020 |
6 | 1532031343 |
7 | 324003030 |
oct | 112034217 |
9 | 40467730 |
10 | 19413135 |
11 | aa5a415 |
12 | 6602553 |
13 | 4039281 |
14 | 2814a87 |
15 | 1a87090 |
hex | 128388f |
19413135 has 32 divisors (see below), whose sum is σ = 39444480. Its totient is φ = 8874144.
The previous prime is 19413113. The next prime is 19413139. The reversal of 19413135 is 53131491.
It is not a de Polignac number, because 19413135 - 25 = 19413103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 19413099 and 19413108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19413139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9327 + ... + 11216.
It is an arithmetic number, because the mean of its divisors is an integer number (1232640).
Almost surely, 219413135 is an apocalyptic number.
19413135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
19413135 is an abundant number, since it is smaller than the sum of its proper divisors (20031345).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19413135 is a wasteful number, since it uses less digits than its factorization.
19413135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20564 (or 20558 counting only the distinct ones).
The product of its digits is 1620, while the sum is 27.
The square root of 19413135 is about 4406.0339308725. The cubic root of 19413135 is about 268.7603666454.
The spelling of 19413135 in words is "nineteen million, four hundred thirteen thousand, one hundred thirty-five".
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