Search a number
-
+
4481345 = 511591381
BaseRepresentation
bin10001000110000101000001
322102200020202
4101012011001
52121400340
6240014545
753043101
oct21060501
98380222
104481345
1125909a0
121601455
13c0b9ab
14849201
155d7c15
hex446141

4481345 has 16 divisors (see below), whose sum is σ = 5970240. Its totient is φ = 3201600.

The previous prime is 4481339. The next prime is 4481363. The reversal of 4481345 is 5431844.

It is a de Polignac number, because none of the positive numbers 2k-4481345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555 + ... + 3935.

It is an arithmetic number, because the mean of its divisors is an integer number (373140).

Almost surely, 24481345 is an apocalyptic number.

It is an amenable number.

4481345 is a deficient number, since it is larger than the sum of its proper divisors (1488895).

4481345 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (4481344) it forms an eRAP, since the sums of their prime factors are consecutive (1455 and 1456).

4481345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its digits is 7680, while the sum is 29.

The square root of 4481345 is about 2116.9187513932. The cubic root of 4481345 is about 164.8679077486.

The spelling of 4481345 in words is "four million, four hundred eighty-one thousand, three hundred forty-five".

Divisors: 1 5 11 55 59 295 649 1381 3245 6905 15191 75955 81479 407395 896269 4481345