Base | Representation |
---|---|
bin | 10001100111100… |
… | …10011001010101 |
3 | 101022002200120002 |
4 | 20303302121111 |
5 | 300313342433 |
6 | 22355421045 |
7 | 3443136551 |
oct | 1063623125 |
9 | 338080502 |
10 | 147793493 |
11 | 76475491 |
12 | 415b4785 |
13 | 24808793 |
14 | 158b2861 |
15 | ce959e8 |
hex | 8cf2655 |
147793493 has 4 divisors (see below), whose sum is σ = 147846720. Its totient is φ = 147740268.
The previous prime is 147793453. The next prime is 147793501. The reversal of 147793493 is 394397741.
147793493 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394397741 = 773 ⋅510217.
It is a cyclic number.
It is not a de Polignac number, because 147793493 - 28 = 147793237 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 (147793403) 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, 22205 + ... + 28082.
It is an arithmetic number, because the mean of its divisors is an integer number (36961680).
Almost surely, 2147793493 is an apocalyptic number.
It is an amenable number.
147793493 is a deficient number, since it is larger than the sum of its proper divisors (53227).
147793493 is an equidigital number, since it uses as much as digits as its factorization.
147793493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53226.
The product of its digits is 571536, while the sum is 47.
The square root of 147793493 is about 12157.0347124618. The cubic root of 147793493 is about 528.7111116416.
The spelling of 147793493 in words is "one hundred forty-seven million, seven hundred ninety-three thousand, four hundred ninety-three".
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