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1449068868 = 22321322943191
BaseRepresentation
bin101011001011111…
…0000100101000100
310201222200022210100
41112113300211010
510431430200433
6355442324100
750623611402
oct12627604504
93658608710
101449068868
11683a63985
12345359630
131a129c100
14da646472
1587338b13
hex565f0944

1449068868 has 216 divisors, whose sum is σ = 4220536320. Its totient is φ = 418279680.

The previous prime is 1449068843. The next prime is 1449068879. The reversal of 1449068868 is 8688609441.

1449068868 is a `hidden beast` number, since 14 + 490 + 6 + 88 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7586653 + ... + 7586843.

It is an arithmetic number, because the mean of its divisors is an integer number (19539520).

Almost surely, 21449068868 is an apocalyptic number.

1449068868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449068868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110268160).

1449068868 is an abundant number, since it is smaller than the sum of its proper divisors (2771467452).

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

1449068868 is a wasteful number, since it uses less digits than its factorization.

1449068868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 1449068868 is about 38066.6372037247. The cubic root of 1449068868 is about 1131.6088675630.

The spelling of 1449068868 in words is "one billion, four hundred forty-nine million, sixty-eight thousand, eight hundred sixty-eight".