Base | Representation |
---|---|
bin | 110011011000… |
… | …010101110000 |
3 | 221100022001100 |
4 | 303120111300 |
5 | 11422002130 |
6 | 1200404400 |
7 | 222325224 |
oct | 63302560 |
9 | 27308040 |
10 | 13469040 |
11 | 766a542 |
12 | 4616700 |
13 | 2a37860 |
14 | 1b08784 |
15 | 12b0c60 |
hex | cd8570 |
13469040 has 120 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 3313152.
The previous prime is 13469023. The next prime is 13469047. The reversal of 13469040 is 4096431.
It is a tau number, because it is divible by the number of its divisors (120).
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 13468995 and 13469013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13469047) 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 23 ways as a sum of consecutive naturals, for example, 8641 + ... + 10079.
It is an arithmetic number, because the mean of its divisors is an integer number (406224).
Almost surely, 213469040 is an apocalyptic number.
13469040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13469040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24373440).
13469040 is an abundant number, since it is smaller than the sum of its proper divisors (35277840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13469040 is a wasteful number, since it uses less digits than its factorization.
13469040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1471 (or 1462 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 13469040 is about 3670.0190735199. The cubic root of 13469040 is about 237.9279964847.
The spelling of 13469040 in words is "thirteen million, four hundred sixty-nine thousand, forty".
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