Base | Representation |
---|---|
bin | 110011011011… |
… | …010001011010 |
3 | 221100220112011 |
4 | 303123101122 |
5 | 11422343200 |
6 | 1200540134 |
7 | 222405232 |
oct | 63332132 |
9 | 27326464 |
10 | 13481050 |
11 | 7678570 |
12 | 462164a |
13 | 2a4016b |
14 | 1b0ccc2 |
15 | 12b45ba |
hex | cdb45a |
13481050 has 48 divisors (see below), whose sum is σ = 27712512. Its totient is φ = 4838400.
The previous prime is 13481047. The next prime is 13481053. The reversal of 13481050 is 5018431.
It is an interprime number because it is at equal distance from previous prime (13481047) and next prime (13481053).
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (13481053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69754 + ... + 69946.
It is an arithmetic number, because the mean of its divisors is an integer number (577344).
Almost surely, 213481050 is an apocalyptic number.
13481050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13481050 is an abundant number, since it is smaller than the sum of its proper divisors (14231462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13481050 is a wasteful number, since it uses less digits than its factorization.
13481050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343 (or 338 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 13481050 is about 3671.6549402143. The cubic root of 13481050 is about 237.9986935879.
Subtracting from 13481050 its sum of digits (22), we obtain a triangular number (13481028 = T5192).
Adding to 13481050 its reverse (5018431), we get a palindrome (18499481).
The spelling of 13481050 in words is "thirteen million, four hundred eighty-one thousand, fifty".
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