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455821068 = 223172234417
BaseRepresentation
bin11011001010110…
…100011100001100
31011202201002221210
4123022310130030
51413142233233
6113121454420
714203262253
oct3312643414
91152632853
10455821068
1121433212a
121087a1410
1373587411
144477579a
152a03d163
hex1b2b470c

455821068 has 24 divisors (see below), whose sum is σ = 1126146672. Its totient is φ = 143002624.

The previous prime is 455821049. The next prime is 455821081. The reversal of 455821068 is 860128554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117005 + ... + 1117412.

It is an arithmetic number, because the mean of its divisors is an integer number (46922778).

Almost surely, 2455821068 is an apocalyptic number.

It is an amenable number.

455821068 is an abundant number, since it is smaller than the sum of its proper divisors (670325604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455821068 is a wasteful number, since it uses less digits than its factorization.

455821068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234441 (or 2234439 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 455821068 is about 21349.9664636739. The cubic root of 455821068 is about 769.5995376451.

The spelling of 455821068 in words is "four hundred fifty-five million, eight hundred twenty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 2234417 4468834 6703251 8937668 13406502 26813004 37985089 75970178 113955267 151940356 227910534 455821068