Base | Representation |
---|---|
bin | 100101110000… |
… | …111111100111 |
3 | 200121222020221 |
4 | 211300333213 |
5 | 10013300012 |
6 | 552105211 |
7 | 150101665 |
oct | 45607747 |
9 | 20558227 |
10 | 9900007 |
11 | 5652027 |
12 | 3395207 |
13 | 20881c0 |
14 | 1459c35 |
15 | d08507 |
hex | 970fe7 |
9900007 has 16 divisors (see below), whose sum is σ = 11340000. Its totient is φ = 8567424.
The previous prime is 9899999. The next prime is 9900047. The reversal of 9900007 is 7000099.
It is a cyclic number.
It is not a de Polignac number, because 9900007 - 23 = 9899999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9900047) 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, 36669 + ... + 36937.
It is an arithmetic number, because the mean of its divisors is an integer number (708750).
Almost surely, 29900007 is an apocalyptic number.
9900007 is a deficient number, since it is larger than the sum of its proper divisors (1439993).
9900007 is a wasteful number, since it uses less digits than its factorization.
9900007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450.
The product of its (nonzero) digits is 567, while the sum is 25.
The square root of 9900007 is about 3146.4276568833. The cubic root of 9900007 is about 214.7229675100.
The spelling of 9900007 in words is "nine million, nine hundred thousand, seven".
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