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4808945 = 5961789
BaseRepresentation
bin10010010110000011110001
3100001022122002
4102112003301
52212341240
6251023345
755606151
oct22260361
910038562
104808945
112795039
12173ab55
13cc4b3b
148d2761
1564ed15
hex4960f1

4808945 has 4 divisors (see below), whose sum is σ = 5770740. Its totient is φ = 3847152.

The previous prime is 4808939. The next prime is 4808959. The reversal of 4808945 is 5498084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1540081 + 3268864 = 1241^2 + 1808^2 .

It is a cyclic number.

It is not a de Polignac number, because 4808945 - 24 = 4808929 is a prime.

It is a super-3 number, since 3×48089453 (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4808899 and 4808908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480890 + ... + 480899.

It is an arithmetic number, because the mean of its divisors is an integer number (1442685).

Almost surely, 24808945 is an apocalyptic number.

It is an amenable number.

4808945 is a deficient number, since it is larger than the sum of its proper divisors (961795).

4808945 is an equidigital number, since it uses as much as digits as its factorization.

4808945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961794.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 4808945 is about 2192.9306874591. The cubic root of 4808945 is about 168.7912528317.

The spelling of 4808945 in words is "four million, eight hundred eight thousand, nine hundred forty-five".

Divisors: 1 5 961789 4808945