Search a number
-
+
4967221 = 7709603
BaseRepresentation
bin10010111100101100110101
3100100100202011
4102330230311
52232422341
6254244221
760135460
oct22745465
910310664
104967221
112892a46
1217b6671
13104bbac
149342d7
15681b81
hex4bcb35

4967221 has 4 divisors (see below), whose sum is σ = 5676832. Its totient is φ = 4257612.

The previous prime is 4967219. The next prime is 4967233. The reversal of 4967221 is 1227694.

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.

It is a cyclic number.

It is not a de Polignac number, because 4967221 - 21 = 4967219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4967201) 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, 354795 + ... + 354808.

It is an arithmetic number, because the mean of its divisors is an integer number (1419208).

Almost surely, 24967221 is an apocalyptic number.

It is an amenable number.

4967221 is a deficient number, since it is larger than the sum of its proper divisors (709611).

4967221 is an equidigital number, since it uses as much as digits as its factorization.

4967221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709610.

The product of its digits is 6048, while the sum is 31.

The square root of 4967221 is about 2228.7263178775. The cubic root of 4967221 is about 170.6230997566.

The spelling of 4967221 in words is "four million, nine hundred sixty-seven thousand, two hundred twenty-one".

Divisors: 1 7 709603 4967221