Base | Representation |
---|---|
bin | 11000011010000111111100 |
3 | 110001002001000 |
4 | 120122013330 |
5 | 3114222320 |
6 | 345050300 |
7 | 105246255 |
oct | 30320774 |
9 | 13032030 |
10 | 6398460 |
11 | 3680292 |
12 | 2186990 |
13 | 1430493 |
14 | bc7b2c |
15 | 865c90 |
hex | 61a1fc |
6398460 has 144 divisors (see below), whose sum is σ = 21661920. Its totient is φ = 1566720.
The previous prime is 6398453. The next prime is 6398461. The reversal of 6398460 is 648936.
6398460 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a d-powerful number, because it can be written as 64 + 3 + 95 + 87 + 411 + 66 + 0 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6398461) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156040 + ... + 156080.
It is an arithmetic number, because the mean of its divisors is an integer number (150430).
Almost surely, 26398460 is an apocalyptic number.
6398460 is a gapful number since it is divisible by the number (60) 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 6398460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10830960).
6398460 is an abundant number, since it is smaller than the sum of its proper divisors (15263460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6398460 is a wasteful number, since it uses less digits than its factorization.
6398460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93 (or 68 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 6398460 is about 2529.5177405980. The cubic root of 6398460 is about 185.6486603857.
The spelling of 6398460 in words is "six million, three hundred ninety-eight thousand, four hundred sixty".
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