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4481213 = 11407383
BaseRepresentation
bin10001000110000010111101
322102200001212
4101012002331
52121344323
6240014205
753042522
oct21060275
98380055
104481213
112590890
121601365
13c0b909
14849149
155d7b78
hex4460bd

4481213 has 4 divisors (see below), whose sum is σ = 4888608. Its totient is φ = 4073820.

The previous prime is 4481201. The next prime is 4481233. The reversal of 4481213 is 3121844.

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 a de Polignac number, because none of the positive numbers 2k-4481213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203681 + ... + 203702.

It is an arithmetic number, because the mean of its divisors is an integer number (1222152).

Almost surely, 24481213 is an apocalyptic number.

It is an amenable number.

4481213 is a deficient number, since it is larger than the sum of its proper divisors (407395).

4481213 is a wasteful number, since it uses less digits than its factorization.

4481213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407394.

The product of its digits is 768, while the sum is 23.

The square root of 4481213 is about 2116.8875737743. The cubic root of 4481213 is about 164.8662889803.

It can be divided in two parts, 448 and 1213, that added together give a palindrome (1661).

The spelling of 4481213 in words is "four million, four hundred eighty-one thousand, two hundred thirteen".

Divisors: 1 11 407383 4481213