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224385590 = 251113156913
BaseRepresentation
bin11010101111111…
…01101000110110
3120122012222011102
431113331220312
5424420314330
634133210102
75363150252
oct1527755066
9518188142
10224385590
11105729240
1263190932
1337644950
1421b2d262
1514a74945
hexd5fda36

224385590 has 32 divisors (see below), whose sum is σ = 474507936. Its totient is φ = 75317760.

The previous prime is 224385589. The next prime is 224385599. The reversal of 224385590 is 95583422.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224385599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77027 + ... + 79886.

It is an arithmetic number, because the mean of its divisors is an integer number (14828373).

Almost surely, 2224385590 is an apocalyptic number.

224385590 is an abundant number, since it is smaller than the sum of its proper divisors (250122346).

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

224385590 is a wasteful number, since it uses less digits than its factorization.

224385590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156944.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 224385590 is about 14979.5056660759. The cubic root of 224385590 is about 607.6660703096. Note that the first 3 decimals are identical.

The spelling of 224385590 in words is "two hundred twenty-four million, three hundred eighty-five thousand, five hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 156913 313826 784565 1569130 1726043 2039869 3452086 4079738 8630215 10199345 17260430 20398690 22438559 44877118 112192795 224385590