Base | Representation |
---|---|
bin | 110010010100… |
… | …010100001000 |
3 | 220211010211122 |
4 | 302110110020 |
5 | 11334043113 |
6 | 1150414412 |
7 | 220055000 |
oct | 62242410 |
9 | 26733748 |
10 | 13190408 |
11 | 749a170 |
12 | 4501408 |
13 | 296aa9a |
14 | 1a75000 |
15 | 1258408 |
hex | c94508 |
13190408 has 128 divisors (see below), whose sum is σ = 34560000. Its totient is φ = 4656960.
The previous prime is 13190381. The next prime is 13190459. The reversal of 13190408 is 80409131.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a zygodrome in base 7.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573485 + ... + 573507.
It is an arithmetic number, because the mean of its divisors is an integer number (270000).
Almost surely, 213190408 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13190408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17280000).
13190408 is an abundant number, since it is smaller than the sum of its proper divisors (21369592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13190408 is a wasteful number, since it uses less digits than its factorization.
13190408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80 (or 62 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 13190408 is about 3631.8601294653. The cubic root of 13190408 is about 236.2758910811.
Adding to 13190408 its reverse (80409131), we get a palindrome (93599539).
The spelling of 13190408 in words is "thirteen million, one hundred ninety thousand, four hundred eight".
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