Base | Representation |
---|---|
bin | 100101001100… |
… | …010011110100 |
3 | 200100100010210 |
4 | 211030103310 |
5 | 4443442443 |
6 | 544545420 |
7 | 145604631 |
oct | 45142364 |
9 | 20310123 |
10 | 9749748 |
11 | 555a148 |
12 | 3322270 |
13 | 20349a8 |
14 | 141b188 |
15 | cc8c33 |
hex | 94c4f4 |
9749748 has 24 divisors (see below), whose sum is σ = 23484160. Its totient is φ = 3144960.
The previous prime is 9749743. The next prime is 9749801. The reversal of 9749748 is 8479479.
It is a happy number.
It is a d-powerful number, because it can be written as 97 + 72 + 43 + 97 + 76 + 48 + 83 .
It is a junction number, because it is equal to n+sod(n) for n = 9749697 and 9749706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9749741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12733 + ... + 13476.
Almost surely, 29749748 is an apocalyptic number.
It is an amenable number.
9749748 is an abundant number, since it is smaller than the sum of its proper divisors (13734412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9749748 is a wasteful number, since it uses less digits than its factorization.
9749748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26247 (or 26245 counting only the distinct ones).
The product of its digits is 508032, while the sum is 48.
The square root of 9749748 is about 3122.4586466437. The cubic root of 9749748 is about 213.6310935391.
The spelling of 9749748 in words is "nine million, seven hundred forty-nine thousand, seven hundred forty-eight".
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