Base | Representation |
---|---|
bin | 100010110100… |
… | …110001001111 |
3 | 122011210200120 |
4 | 202310301033 |
5 | 4314112124 |
6 | 523400023 |
7 | 140411163 |
oct | 42646117 |
9 | 18153616 |
10 | 9129039 |
11 | 5175867 |
12 | 3083013 |
13 | 1b782ca |
14 | 12d8ca3 |
15 | c04d79 |
hex | 8b4c4f |
9129039 has 4 divisors (see below), whose sum is σ = 12172056. Its totient is φ = 6086024.
The previous prime is 9129031. The next prime is 9129041. The reversal of 9129039 is 9309219.
9129039 is digitally balanced in base 2 and base 3, because in such bases 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: 9309219 = 3 ⋅3103073.
It is a cyclic number.
It is not a de Polignac number, because 9129039 - 23 = 9129031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9129031) 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, 1521504 + ... + 1521509.
It is an arithmetic number, because the mean of its divisors is an integer number (3043014).
Almost surely, 29129039 is an apocalyptic number.
9129039 is a deficient number, since it is larger than the sum of its proper divisors (3043017).
9129039 is a wasteful number, since it uses less digits than its factorization.
9129039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3043016.
The product of its (nonzero) digits is 4374, while the sum is 33.
The square root of 9129039 is about 3021.4299594728. The cubic root of 9129039 is about 208.9977869625.
The spelling of 9129039 in words is "nine million, one hundred twenty-nine thousand, thirty-nine".
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