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4908221 = 29169249
BaseRepresentation
bin10010101110010010111101
3100020100210222
4102232102331
52224030341
6253111125
756501453
oct22562275
910210728
104908221
11285268a
1217884a5
13102b096
1491a9d3
1566e44b
hex4ae4bd

4908221 has 4 divisors (see below), whose sum is σ = 5077500. Its totient is φ = 4738944.

The previous prime is 4908217. The next prime is 4908247. The reversal of 4908221 is 1228094.

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 3667225 + 1240996 = 1915^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4908221 - 22 = 4908217 is a prime.

It is a super-3 number, since 3×49082213 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4908521) 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, 84596 + ... + 84653.

It is an arithmetic number, because the mean of its divisors is an integer number (1269375).

Almost surely, 24908221 is an apocalyptic number.

It is an amenable number.

4908221 is a deficient number, since it is larger than the sum of its proper divisors (169279).

4908221 is a wasteful number, since it uses less digits than its factorization.

4908221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169278.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4908221 is about 2215.4505185176. The cubic root of 4908221 is about 169.9448610105.

The spelling of 4908221 in words is "four million, nine hundred eight thousand, two hundred twenty-one".

Divisors: 1 29 169249 4908221