Base | Representation |
---|---|
bin | 11110011001101111001100 |
3 | 112222220102120 |
4 | 132121233030 |
5 | 4020012430 |
6 | 442452540 |
7 | 124512252 |
oct | 36315714 |
9 | 15886376 |
10 | 7969740 |
11 | 4553869 |
12 | 2804150 |
13 | 186072c |
14 | 10b65d2 |
15 | a76610 |
hex | 799bcc |
7969740 has 48 divisors (see below), whose sum is σ = 23493120. Its totient is φ = 2013120.
The previous prime is 7969739. The next prime is 7969747. The reversal of 7969740 is 479697.
It is an Ulam number.
It is a plaindrome in base 16.
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 7969692 and 7969701.
It is not an unprimeable number, because it can be changed into a prime (7969747) 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, 2356 + ... + 4635.
It is an arithmetic number, because the mean of its divisors is an integer number (489440).
Almost surely, 27969740 is an apocalyptic number.
It is an amenable number.
7969740 is an abundant number, since it is smaller than the sum of its proper divisors (15523380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7969740 is a wasteful number, since it uses less digits than its factorization.
7969740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7022 (or 7020 counting only the distinct ones).
The product of its (nonzero) digits is 95256, while the sum is 42.
The square root of 7969740 is about 2823.0727939605. The cubic root of 7969740 is about 199.7475147234.
The spelling of 7969740 in words is "seven million, nine hundred sixty-nine thousand, seven hundred forty".
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