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449226408969 = 3413877486449
BaseRepresentation
bin1101000100101111111…
…10110000010000001001
31120221112100202001020000
412202113332300100021
524330003430041334
6542212144553213
744312151321222
oct6422776602011
91527470661200
10449226408969
11163574662018
1273091022809
13334920437a0
1417a57c80249
15ba433d1299
hex6897fb0409

449226408969 has 40 divisors (see below), whose sum is σ = 723512651400. Its totient is φ = 276131234304.

The previous prime is 449226408941. The next prime is 449226409001. The reversal of 449226408969 is 969804622944.

449226408969 is a `hidden beast` number, since 4 + 492 + 2 + 6 + 4 + 0 + 89 + 69 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 50544032400 + 398682376569 = 224820^2 + 631413^2 .

It is not a de Polignac number, because 449226408969 - 25 = 449226408937 is a prime.

It is a super-2 number, since 2×4492264089692 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449226408469) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 680257 + ... + 1166705.

It is an arithmetic number, because the mean of its divisors is an integer number (18087816285).

Almost surely, 2449226408969 is an apocalyptic number.

It is an amenable number.

449226408969 is a deficient number, since it is larger than the sum of its proper divisors (274286242431).

449226408969 is a wasteful number, since it uses less digits than its factorization.

449226408969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487351 (or 487342 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 63.

The spelling of 449226408969 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, nine hundred sixty-nine".

Divisors: 1 3 9 13 27 39 81 117 351 877 1053 2631 7893 11401 23679 34203 71037 102609 307827 486449 923481 1459347 4378041 6323837 13134123 18971511 39402369 56914533 170743599 426615773 512230797 1279847319 3839541957 5546005049 11518625871 16638015147 34555877613 49914045441 149742136323 449226408969