Base | Representation |
---|---|
bin | 10001011010011… |
… | …10010100001111 |
3 | 101011212021021110 |
4 | 20231032110033 |
5 | 244343312342 |
6 | 22254503103 |
7 | 3422412234 |
oct | 1055162417 |
9 | 334767243 |
10 | 146072847 |
11 | 754aa768 |
12 | 40b04a93 |
13 | 2435554b |
14 | 1558578b |
15 | cc55c9c |
hex | 8b4e50f |
146072847 has 4 divisors (see below), whose sum is σ = 194763800. Its totient is φ = 97381896.
The previous prime is 146072827. The next prime is 146072863. The reversal of 146072847 is 748270641.
146072847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748270641 = 3 ⋅249423547.
It is not a de Polignac number, because 146072847 - 26 = 146072783 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (146072827) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24345472 + ... + 24345477.
It is an arithmetic number, because the mean of its divisors is an integer number (48690950).
Almost surely, 2146072847 is an apocalyptic number.
146072847 is a deficient number, since it is larger than the sum of its proper divisors (48690953).
146072847 is an equidigital number, since it uses as much as digits as its factorization.
146072847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48690952.
The product of its (nonzero) digits is 75264, while the sum is 39.
The square root of 146072847 is about 12086.0600279827. The cubic root of 146072847 is about 526.6513049428.
The spelling of 146072847 in words is "one hundred forty-six million, seventy-two thousand, eight hundred forty-seven".
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