Base | Representation |
---|---|
bin | 11010101101001111010000 |
3 | 111011200121210 |
4 | 122231033100 |
5 | 3243013130 |
6 | 410020120 |
7 | 113336124 |
oct | 32551720 |
9 | 14150553 |
10 | 7001040 |
11 | 3a51a92 |
12 | 2417640 |
13 | 15b1837 |
14 | d03584 |
15 | 9345b0 |
hex | 6ad3d0 |
7001040 has 80 divisors (see below), whose sum is σ = 22427136. Its totient is φ = 1804800.
The previous prime is 7001021. The next prime is 7001041. The reversal of 7001040 is 401007.
7001040 is digitally balanced in base 4, because in such base 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 (80).
It is a super-2 number, since 2×70010402 = 98029122163200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7001041) 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, 6970 + ... + 7910.
Almost surely, 27001040 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 7001040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11213568).
7001040 is an abundant number, since it is smaller than the sum of its proper divisors (15426096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7001040 is a wasteful number, since it uses less digits than its factorization.
7001040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 988 (or 982 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 12.
The square root of 7001040 is about 2645.9478452910. The cubic root of 7001040 is about 191.3025913721.
Adding to 7001040 its reverse (401007), we get a palindrome (7402047).
The spelling of 7001040 in words is "seven million, one thousand, forty".
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