Search a number
-
+
4820905 = 52833407
BaseRepresentation
bin10010011000111110101001
3100001221001001
4102120332221
52213232110
6251155001
755656055
oct22307651
910057031
104820905
1127a3021
121745a61
13cca40b
148d6c65
1565363a
hex498fa9

4820905 has 8 divisors (see below), whose sum is σ = 5807232. Its totient is φ = 3841968.

The previous prime is 4820899. The next prime is 4820909. The reversal of 4820905 is 5090284.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4820905 - 213 = 4812713 is a prime.

It is a super-2 number, since 2×48209052 = 46482250038050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4820909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (725904).

Almost surely, 24820905 is an apocalyptic number.

It is an amenable number.

4820905 is a deficient number, since it is larger than the sum of its proper divisors (986327).

4820905 is a wasteful number, since it uses less digits than its factorization.

4820905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4820905 is about 2195.6559384384. The cubic root of 4820905 is about 168.9310667363.

Subtracting from 4820905 its product of nonzero digits (2880), we obtain a square (4818025 = 21952).

The spelling of 4820905 in words is "four million, eight hundred twenty thousand, nine hundred five".

Divisors: 1 5 283 1415 3407 17035 964181 4820905