Base | Representation |
---|---|
bin | 10100101110001000000000 |
3 | 101012222001002 |
4 | 110232020000 |
5 | 2342304213 |
6 | 312231132 |
7 | 64112114 |
oct | 24561000 |
9 | 11188032 |
10 | 5431808 |
11 | 307aaa8 |
12 | 199b4a8 |
13 | 11824b5 |
14 | a15744 |
15 | 724658 |
hex | 52e200 |
5431808 has 30 divisors (see below), whose sum is σ = 10959399. Its totient is φ = 2689536.
The previous prime is 5431807. The next prime is 5431813. The reversal of 5431808 is 8081345.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 2715904 + 2715904 = 1648^2 + 1648^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=1648.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5431801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52685 + ... + 52787.
Almost surely, 25431808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5431808
5431808 is an abundant number, since it is smaller than the sum of its proper divisors (5527591).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5431808 is an frugal number, since it uses more digits than its factorization.
5431808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224 (or 105 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 29.
The square root of 5431808 is about 2330.6239507909. The cubic root of 5431808 is about 175.7848610926.
The spelling of 5431808 in words is "five million, four hundred thirty-one thousand, eight hundred eight".
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