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224060421 = 31347251487
BaseRepresentation
bin11010101101011…
…10010000000101
3120121121110010010
431112232100011
5424324413141
634122220433
75360324244
oct1526562005
9517543103
10224060421
11105526a02
1263054719
133755c940
1421a8695b
1514a0d416
hexd5ae405

224060421 has 32 divisors (see below), whose sum is σ = 330559488. Its totient is φ = 134136000.

The previous prime is 224060399. The next prime is 224060477. The reversal of 224060421 is 124060422.

It is not a de Polignac number, because 224060421 - 210 = 224059397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224060021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459840 + ... + 460326.

It is an arithmetic number, because the mean of its divisors is an integer number (10329984).

Almost surely, 2224060421 is an apocalyptic number.

It is an amenable number.

224060421 is a deficient number, since it is larger than the sum of its proper divisors (106499067).

224060421 is a wasteful number, since it uses less digits than its factorization.

224060421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 224060421 is about 14968.6479349339. The cubic root of 224060421 is about 607.3723947466.

Subtracting from 224060421 its reverse (124060422), we obtain a palindrome (99999999).

The spelling of 224060421 in words is "two hundred twenty-four million, sixty thousand, four hundred twenty-one".

Divisors: 1 3 13 39 47 141 251 487 611 753 1461 1833 3263 6331 9789 11797 18993 22889 35391 68667 122237 153361 297557 366711 460083 892671 1589081 4767243 5745139 17235417 74686807 224060421