Base | Representation |
---|---|
bin | 100010011010… |
… | …001001111111 |
3 | 121222021011020 |
4 | 202122021333 |
5 | 4302120111 |
6 | 521155223 |
7 | 136445316 |
oct | 42321177 |
9 | 17867136 |
10 | 9020031 |
11 | 5100979 |
12 | 302bb13 |
13 | 1b3a7c7 |
14 | 12ab27d |
15 | bd2906 |
hex | 89a27f |
9020031 has 4 divisors (see below), whose sum is σ = 12026712. Its totient is φ = 6013352.
The previous prime is 9020029. The next prime is 9020051. The reversal of 9020031 is 1300209.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 9020031 - 21 = 9020029 is a prime.
It is a super-2 number, since 2×90200312 = 162721918481922, which contains 22 as substring.
9020031 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9020051) 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 3 ways as a sum of consecutive naturals, for example, 1503336 + ... + 1503341.
It is an arithmetic number, because the mean of its divisors is an integer number (3006678).
Almost surely, 29020031 is an apocalyptic number.
9020031 is a deficient number, since it is larger than the sum of its proper divisors (3006681).
9020031 is a wasteful number, since it uses less digits than its factorization.
9020031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3006680.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 9020031 is about 3003.3366444673. The cubic root of 9020031 is about 208.1625870665.
The spelling of 9020031 in words is "nine million, twenty thousand, thirty-one".
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