Base | Representation |
---|---|
bin | 10000101111010110000111 |
3 | 22020221112002 |
4 | 100233112013 |
5 | 2110410411 |
6 | 234015515 |
7 | 52204451 |
oct | 20572607 |
9 | 8227462 |
10 | 4388231 |
11 | 2527a41 |
12 | 157759b |
13 | ba84b3 |
14 | 8232d1 |
15 | 5ba33b |
hex | 42f587 |
4388231 has 8 divisors (see below), whose sum is σ = 4477440. Its totient is φ = 4300128.
The previous prime is 4388207. The next prime is 4388257. The reversal of 4388231 is 1328834.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 4388231 - 214 = 4371847 is a prime.
It is a super-2 number, since 2×43882312 = 38513142618722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4388194 and 4388203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4388201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685 + ... + 14001.
It is an arithmetic number, because the mean of its divisors is an integer number (559680).
Almost surely, 24388231 is an apocalyptic number.
4388231 is a deficient number, since it is larger than the sum of its proper divisors (89209).
4388231 is a wasteful number, since it uses less digits than its factorization.
4388231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 553.
The product of its digits is 4608, while the sum is 29.
The square root of 4388231 is about 2094.8104926222. The cubic root of 4388231 is about 163.7180237856.
The spelling of 4388231 in words is "four million, three hundred eighty-eight thousand, two hundred thirty-one".
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