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224870906 = 2138648881
BaseRepresentation
bin11010110011101…
…00000111111010
3120200010121220002
431121310013322
5430031332111
634151433002
75400241211
oct1531640772
9520117802
10224870906
11105a2a927
1263385762
1337784810
1421c18078
1514b1d63b
hexd6741fa

224870906 has 8 divisors (see below), whose sum is σ = 363253044. Its totient is φ = 103786560.

The previous prime is 224870903. The next prime is 224870911. The reversal of 224870906 is 609078422.

It can be written as a sum of positive squares in 2 ways, for example, as 223951225 + 919681 = 14965^2 + 959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 224870906.

It is not an unprimeable number, because it can be changed into a prime (224870903) 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, 4324415 + ... + 4324466.

Almost surely, 2224870906 is an apocalyptic number.

224870906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

224870906 is a deficient number, since it is larger than the sum of its proper divisors (138382138).

224870906 is a wasteful number, since it uses less digits than its factorization.

224870906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648896.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 224870906 is about 14995.6962492577. The cubic root of 224870906 is about 608.1038549651.

The spelling of 224870906 in words is "two hundred twenty-four million, eight hundred seventy thousand, nine hundred six".

Divisors: 1 2 13 26 8648881 17297762 112435453 224870906