Base | Representation |
---|---|
bin | 100011001111… |
… | …111010100111 |
3 | 122101110012210 |
4 | 203033322213 |
5 | 4331141411 |
6 | 530014503 |
7 | 141353310 |
oct | 43177247 |
9 | 18343183 |
10 | 9240231 |
11 | 5241360 |
12 | 3117433 |
13 | 1bb6ac0 |
14 | 1327607 |
15 | c27ca6 |
hex | 8cfea7 |
9240231 has 64 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 4147200.
The previous prime is 9240229. The next prime is 9240281. The reversal of 9240231 is 1320429.
It is not a de Polignac number, because 9240231 - 21 = 9240229 is a prime.
It is a super-2 number, since 2×92402312 = 170763737866722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 9240198 and 9240207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9240221) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50961 + ... + 51141.
It is an arithmetic number, because the mean of its divisors is an integer number (275184).
Almost surely, 29240231 is an apocalyptic number.
9240231 is a gapful number since it is divisible by the number (91) formed by its first and last digit.
9240231 is a deficient number, since it is larger than the sum of its proper divisors (8371545).
9240231 is a wasteful number, since it uses less digits than its factorization.
9240231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 9240231 is about 3039.7748271870. The cubic root of 9240231 is about 209.8428983741.
The spelling of 9240231 in words is "nine million, two hundred forty thousand, two hundred thirty-one".
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