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224211040 = 2551401319
BaseRepresentation
bin11010101110100…
…11000001100000
3120121220002201121
431113103001200
5424344223130
634125342024
75361522334
oct1527230140
9517802647
10224211040
1110561a089
1263107914
13375b3371
1421ac57c4
1514a3cd7a
hexd5d3060

224211040 has 24 divisors (see below), whose sum is σ = 529698960. Its totient is φ = 89684352.

The previous prime is 224211023. The next prime is 224211047. The reversal of 224211040 is 40112422.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224211047) 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, 700500 + ... + 700819.

It is an arithmetic number, because the mean of its divisors is an integer number (22070790).

Almost surely, 2224211040 is an apocalyptic number.

224211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224211040 is an abundant number, since it is smaller than the sum of its proper divisors (305487920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224211040 is a wasteful number, since it uses less digits than its factorization.

224211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401334 (or 1401326 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 224211040 is about 14973.6782388296. The cubic root of 224211040 is about 607.5084612165.

Adding to 224211040 its reverse (40112422), we get a palindrome (264323462).

The spelling of 224211040 in words is "two hundred twenty-four million, two hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1401319 2802638 5605276 7006595 11210552 14013190 22421104 28026380 44842208 56052760 112105520 224211040