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224100023 = 72931149239
BaseRepresentation
bin11010101101101…
…11111010110111
3120121200110102212
431112313322313
5424332200043
634123124035
75360550560
oct1526677267
9517613385
10224100023
11105553734
126307361b
1337574984
1421a97167
1514a1a018
hexd5b7eb7

224100023 has 32 divisors (see below), whose sum is σ = 276480000. Its totient is φ = 177528960.

The previous prime is 224100013. The next prime is 224100043. The reversal of 224100023 is 320001422.

It is not a de Polignac number, because 224100023 - 26 = 224099959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224099980 and 224100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224100013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937538 + ... + 937776.

It is an arithmetic number, because the mean of its divisors is an integer number (8640000).

Almost surely, 2224100023 is an apocalyptic number.

224100023 is a deficient number, since it is larger than the sum of its proper divisors (52379977).

224100023 is a wasteful number, since it uses less digits than its factorization.

224100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 224100023 is about 14969.9707080542. The cubic root of 224100023 is about 607.4081763816.

Adding to 224100023 its reverse (320001422), we get a palindrome (544101445).

The spelling of 224100023 in words is "two hundred twenty-four million, one hundred thousand, twenty-three".

Divisors: 1 7 29 31 149 203 217 239 899 1043 1673 4321 4619 6293 6931 7409 30247 32333 35611 48517 51863 133951 214861 249277 937657 1032719 1103941 1504027 7229033 7727587 32014289 224100023