Base | Representation |
---|---|
bin | 11110111001110011011000 |
3 | 120020120121000 |
4 | 132321303120 |
5 | 4033213310 |
6 | 445345000 |
7 | 125600211 |
oct | 36716330 |
9 | 16216530 |
10 | 8101080 |
11 | 4633509 |
12 | 2868160 |
13 | 18a8450 |
14 | 110c408 |
15 | aa04c0 |
hex | 7b9cd8 |
8101080 has 128 divisors (see below), whose sum is σ = 29131200. Its totient is φ = 1990656.
The previous prime is 8101057. The next prime is 8101081. The reversal of 8101080 is 801018.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8101081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13752 + ... + 14328.
Almost surely, 28101080 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 8101080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14565600).
8101080 is an abundant number, since it is smaller than the sum of its proper divisors (21030120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8101080 is a wasteful number, since it uses less digits than its factorization.
8101080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610 (or 600 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
The square root of 8101080 is about 2846.2396244870. The cubic root of 8101080 is about 200.8388104006.
Adding to 8101080 its reverse (801018), we get a palindrome (8902098).
The spelling of 8101080 in words is "eight million, one hundred one thousand, eighty".
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