Base | Representation |
---|---|
bin | 100110000111… |
… | …000010101111 |
3 | 200210120010211 |
4 | 212013002233 |
5 | 10024142234 |
6 | 554043251 |
7 | 150626203 |
oct | 46070257 |
9 | 20716124 |
10 | 9990319 |
11 | 5703969 |
12 | 3419527 |
13 | 20ba341 |
14 | 1480b03 |
15 | d25164 |
hex | 9870af |
9990319 has 4 divisors (see below), whose sum is σ = 10222696. Its totient is φ = 9757944.
The previous prime is 9990307. The next prime is 9990359. The reversal of 9990319 is 9130999.
9990319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9130999 = 53 ⋅172283.
It is a cyclic number.
It is not a de Polignac number, because 9990319 - 29 = 9989807 is a prime.
It is a super-2 number, since 2×99903192 = 199612947443522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9990359) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116124 + ... + 116209.
It is an arithmetic number, because the mean of its divisors is an integer number (2555674).
Almost surely, 29990319 is an apocalyptic number.
9990319 is a deficient number, since it is larger than the sum of its proper divisors (232377).
9990319 is a wasteful number, since it uses less digits than its factorization.
9990319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232376.
The product of its (nonzero) digits is 19683, while the sum is 40.
The square root of 9990319 is about 3160.7465890198. The cubic root of 9990319 is about 215.3739229484.
The spelling of 9990319 in words is "nine million, nine hundred ninety thousand, three hundred nineteen".
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