Base | Representation |
---|---|
bin | 100101011000… |
… | …111010101011 |
3 | 200102221222100 |
4 | 211120322223 |
5 | 10002121022 |
6 | 550024443 |
7 | 146211321 |
oct | 45307253 |
9 | 20387870 |
10 | 9801387 |
11 | 5594a22 |
12 | 3348123 |
13 | 205234b |
14 | 1431d11 |
15 | cd91ac |
hex | 958eab |
9801387 has 12 divisors (see below), whose sum is σ = 14329224. Its totient is φ = 6455040.
The previous prime is 9801383. The next prime is 9801413. The reversal of 9801387 is 7831089.
It is not a de Polignac number, because 9801387 - 22 = 9801383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (9801383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5814 + ... + 7307.
It is an arithmetic number, because the mean of its divisors is an integer number (1194102).
Almost surely, 29801387 is an apocalyptic number.
9801387 is a deficient number, since it is larger than the sum of its proper divisors (4527837).
9801387 is a wasteful number, since it uses less digits than its factorization.
9801387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13210 (or 13207 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 9801387 is about 3130.7166911108. The cubic root of 9801387 is about 214.0075913690.
The spelling of 9801387 in words is "nine million, eight hundred one thousand, three hundred eighty-seven".
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