Base | Representation |
---|---|
bin | 11010110000011001100100 |
3 | 111012100101100 |
4 | 122300121210 |
5 | 3243421423 |
6 | 410200100 |
7 | 113421642 |
oct | 32603144 |
9 | 14170340 |
10 | 7013988 |
11 | 3a60793 |
12 | 2423030 |
13 | 15b76b7 |
14 | d08192 |
15 | 938343 |
hex | 6b0664 |
7013988 has 72 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 2173248.
The previous prime is 7013971. The next prime is 7014037. The reversal of 7013988 is 8893107.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35506 + ... + 35702.
It is an arithmetic number, because the mean of its divisors is an integer number (264264).
Almost surely, 27013988 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 7013988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9513504).
7013988 is an abundant number, since it is smaller than the sum of its proper divisors (12013020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7013988 is a wasteful number, since it uses less digits than its factorization.
7013988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273 (or 268 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 7013988 is about 2648.3934752978. The cubic root of 7013988 is about 191.4204529330.
It can be divided in two parts, 7013 and 988, that added together give a triangular number (8001 = T126).
The spelling of 7013988 in words is "seven million, thirteen thousand, nine hundred eighty-eight".
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