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224020472 = 23132154043
BaseRepresentation
bin11010101101001…
…00011111111000
3120121112102022112
431112210133320
5424322123342
634121311452
75360066624
oct1526443770
9517472275
10224020472
111054a9995
1263035588
13375476c0
1421a76184
1514a01682
hexd5a47f8

224020472 has 16 divisors (see below), whose sum is σ = 452349240. Its totient is φ = 103394016.

The previous prime is 224020427. The next prime is 224020481. The reversal of 224020472 is 274020422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076918 + ... + 1077125.

Almost surely, 2224020472 is an apocalyptic number.

It is an amenable number.

224020472 is an abundant number, since it is smaller than the sum of its proper divisors (228328768).

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

224020472 is a wasteful number, since it uses less digits than its factorization.

224020472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154062 (or 2154058 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 224020472 is about 14967.3134529881. The cubic root of 224020472 is about 607.3362953143.

Adding to 224020472 its reverse (274020422), we get a palindrome (498040894).

The spelling of 224020472 in words is "two hundred twenty-four million, twenty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 2154043 4308086 8616172 17232344 28002559 56005118 112010236 224020472