Base | Representation |
---|---|
bin | 10001100100111… |
… | …00111011010001 |
3 | 101021102220100000 |
4 | 20302130323101 |
5 | 300221142114 |
6 | 22344120213 |
7 | 3440151111 |
oct | 1062347321 |
9 | 337386300 |
10 | 147443409 |
11 | 76256463 |
12 | 41466069 |
13 | 24715329 |
14 | 15821041 |
15 | ce26e09 |
hex | 8c9ced1 |
147443409 has 72 divisors (see below), whose sum is σ = 244771072. Its totient is φ = 88529760.
The previous prime is 147443407. The next prime is 147443449. The reversal of 147443409 is 904344741.
147443409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 147443409 - 21 = 147443407 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (147443407) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3984939 + ... + 3984975.
Almost surely, 2147443409 is an apocalyptic number.
It is an amenable number.
147443409 is a deficient number, since it is larger than the sum of its proper divisors (97327663).
147443409 is an equidigital number, since it uses as much as digits as its factorization.
147443409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 94 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 147443409 is about 12142.6277633797. The cubic root of 147443409 is about 528.2933222980.
It can be divided in two parts, 147 and 443409, that added together give a square (443556 = 6662).
The spelling of 147443409 in words is "one hundred forty-seven million, four hundred forty-three thousand, four hundred nine".
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