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449055923 = 2943734933
BaseRepresentation
bin11010110001000…
…000110010110011
31011021222101220212
4122301000302303
51404424242143
6112320454335
714061624641
oct3261006263
91137871825
10449055923
112105313a8
1210647a3ab
1372059084
14438d4191
1529653918
hex1ac40cb3

449055923 has 16 divisors (see below), whose sum is σ = 481953120. Its totient is φ = 417602304.

The previous prime is 449055917. The next prime is 449055941. The reversal of 449055923 is 329550944.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-449055923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449055913) 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, 88565 + ... + 93497.

It is an arithmetic number, because the mean of its divisors is an integer number (30122070).

Almost surely, 2449055923 is an apocalyptic number.

449055923 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

449055923 is a deficient number, since it is larger than the sum of its proper divisors (32897197).

449055923 is a wasteful number, since it uses less digits than its factorization.

449055923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 449055923 is about 21190.9396441026. The cubic root of 449055923 is about 765.7731645236.

The spelling of 449055923 in words is "four hundred forty-nine million, fifty-five thousand, nine hundred twenty-three".

Divisors: 1 29 43 73 1247 2117 3139 4933 91031 143057 212119 360109 6151451 10443161 15484687 449055923