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224628481 = 7112917253
BaseRepresentation
bin11010110001110…
…00111100000001
3120122200022100101
431120320330001
5430001102411
634142322401
75365211350
oct1530707401
9518608311
10224628481
11105884780
1263289401
13376cb37c
1421b93997
1514ac18c1
hexd638f01

224628481 has 8 divisors (see below), whose sum is σ = 280056384. Its totient is φ = 175035120.

The previous prime is 224628479. The next prime is 224628493. The reversal of 224628481 is 184826422.

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 224628481 - 21 = 224628479 is a prime.

It is a super-2 number, since 2×2246284812 = 100915908952734722, which contains 22 as substring.

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 224628481.

It is not an unprimeable number, because it can be changed into a prime (224628581) 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 7 ways as a sum of consecutive naturals, for example, 1458550 + ... + 1458703.

It is an arithmetic number, because the mean of its divisors is an integer number (35007048).

Almost surely, 2224628481 is an apocalyptic number.

It is an amenable number.

224628481 is a deficient number, since it is larger than the sum of its proper divisors (55427903).

224628481 is a wasteful number, since it uses less digits than its factorization.

224628481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917271.

The product of its digits is 49152, while the sum is 37.

The square root of 224628481 is about 14987.6109170208. The cubic root of 224628481 is about 607.8852516380.

The spelling of 224628481 in words is "two hundred twenty-four million, six hundred twenty-eight thousand, four hundred eighty-one".

Divisors: 1 7 11 77 2917253 20420771 32089783 224628481