Base | Representation |
---|---|
bin | 111101110100… |
… | …100110100000 |
3 | 1010111100210010 |
4 | 331310212200 |
5 | 13122044430 |
6 | 1335204520 |
7 | 254515341 |
oct | 75644640 |
9 | 33440703 |
10 | 16206240 |
11 | 9169a96 |
12 | 5516740 |
13 | 34856bb |
14 | 221c0c8 |
15 | 1651cb0 |
hex | f749a0 |
16206240 has 96 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 4091904.
The previous prime is 16206233. The next prime is 16206241. The reversal of 16206240 is 4260261.
It is a happy number.
16206240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16206241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8232 + ... + 10008.
It is an arithmetic number, because the mean of its divisors is an integer number (560070).
Almost surely, 216206240 is an apocalyptic number.
16206240 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 16206240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26883360).
16206240 is an abundant number, since it is smaller than the sum of its proper divisors (37560480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16206240 is a wasteful number, since it uses less digits than its factorization.
16206240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1814 (or 1806 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 16206240 is about 4025.6974551002. The cubic root of 16206240 is about 253.0622831969.
The spelling of 16206240 in words is "sixteen million, two hundred six thousand, two hundred forty".
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