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449060421 = 31960712979
BaseRepresentation
bin11010110001000…
…001111001000101
31011021222122002110
4122301001321011
51404424413141
6112320531233
714061644025
oct3261017105
91137878073
10449060421
11210534817
12106480b19
137205b134
14438d5a85
1529654e16
hex1ac41e45

449060421 has 16 divisors (see below), whose sum is σ = 631347200. Its totient is φ = 283128048.

The previous prime is 449060407. The next prime is 449060473. The reversal of 449060421 is 124060944.

It is not a de Polignac number, because 449060421 - 26 = 449060357 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 (449060401) 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 15 ways as a sum of consecutive naturals, for example, 28110 + ... + 41088.

It is an arithmetic number, because the mean of its divisors is an integer number (39459200).

Almost surely, 2449060421 is an apocalyptic number.

It is an amenable number.

449060421 is a deficient number, since it is larger than the sum of its proper divisors (182286779).

449060421 is a wasteful number, since it uses less digits than its factorization.

449060421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 449060421 is about 21191.0457741000. The cubic root of 449060421 is about 765.7757213218.

The spelling of 449060421 in words is "four hundred forty-nine million, sixty thousand, four hundred twenty-one".

Divisors: 1 3 19 57 607 1821 11533 12979 34599 38937 246601 739803 7878253 23634759 149686807 449060421