Base | Representation |
---|---|
bin | 10010101100011101111001 |
3 | 100012222112111 |
4 | 102230131321 |
5 | 2223310404 |
6 | 253012321 |
7 | 56440561 |
oct | 22543571 |
9 | 10188474 |
10 | 4900729 |
11 | 2847a99 |
12 | 17840a1 |
13 | 1027852 |
14 | 917da1 |
15 | 66c104 |
hex | 4ac779 |
4900729 has 4 divisors (see below), whose sum is σ = 4910976. Its totient is φ = 4890484.
The previous prime is 4900673. The next prime is 4900741. The reversal of 4900729 is 9270094.
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: 9270094 = 2 ⋅4635047.
It is a cyclic number.
It is not a de Polignac number, because 4900729 - 27 = 4900601 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
4900729 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 4900729.
It is not an unprimeable number, because it can be changed into a prime (4900789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4369 + ... + 5374.
It is an arithmetic number, because the mean of its divisors is an integer number (1227744).
Almost surely, 24900729 is an apocalyptic number.
It is an amenable number.
4900729 is a deficient number, since it is larger than the sum of its proper divisors (10247).
4900729 is an equidigital number, since it uses as much as digits as its factorization.
4900729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10246.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 4900729 is about 2213.7590203091. The cubic root of 4900729 is about 169.8583479763.
It can be divided in two parts, 4900 and 729, that multiplied together give a square (3572100 = 18902).
The spelling of 4900729 in words is "four million, nine hundred thousand, seven hundred twenty-nine".
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