Search a number
-
+
224405441 = 1339743481
BaseRepresentation
bin11010110000000…
…10011111000001
3120122020222101122
431120002133001
5424421433231
634133442025
75363262161
oct1530023701
9518228348
10224405441
11105742147
12631a0315
13376509b0
1421b365a1
1514a7a77b
hexd6027c1

224405441 has 8 divisors (see below), whose sum is σ = 242281704. Its totient is φ = 206616960.

The previous prime is 224405437. The next prime is 224405501. The reversal of 224405441 is 144504422.

It can be written as a sum of positive squares in 4 ways, for example, as 32444416 + 191961025 = 5696^2 + 13855^2 .

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 224405441 - 22 = 224405437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224405441.

It is not an unprimeable number, because it can be changed into a prime (224402441) 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, 16580 + ... + 26901.

It is an arithmetic number, because the mean of its divisors is an integer number (30285213).

Almost surely, 2224405441 is an apocalyptic number.

It is an amenable number.

224405441 is a deficient number, since it is larger than the sum of its proper divisors (17876263).

224405441 is a wasteful number, since it uses less digits than its factorization.

224405441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43891.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 224405441 is about 14980.1682567320. The cubic root of 224405441 is about 607.6839894987.

Adding to 224405441 its reverse (144504422), we get a palindrome (368909863).

The spelling of 224405441 in words is "two hundred twenty-four million, four hundred five thousand, four hundred forty-one".

Divisors: 1 13 397 5161 43481 565253 17261957 224405441