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897738054 = 23181182619
BaseRepresentation
bin110101100000100…
…110010101000110
32022120020211002120
4311200212111012
53314310104204
6225025350410
731150435053
oct6540462506
92276224076
10897738054
11420827984
12210798406
13113cb3c65
148732c02a
1553c316d9
hex35826546

897738054 has 16 divisors (see below), whose sum is σ = 1796489280. Its totient is φ = 299077160.

The previous prime is 897738029. The next prime is 897738071. The reversal of 897738054 is 450837798.

It is a super-2 number, since 2×8977380542 = 1611867227199413832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 897737988 and 897738006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30444 + ... + 52175.

It is an arithmetic number, because the mean of its divisors is an integer number (112280580).

Almost surely, 2897738054 is an apocalyptic number.

897738054 is an abundant number, since it is smaller than the sum of its proper divisors (898751226).

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

897738054 is a wasteful number, since it uses less digits than its factorization.

897738054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84435.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 897738054 is about 29962.2771831515. The cubic root of 897738054 is about 964.6798597994.

The spelling of 897738054 in words is "eight hundred ninety-seven million, seven hundred thirty-eight thousand, fifty-four".

Divisors: 1 2 3 6 1811 3622 5433 10866 82619 165238 247857 495714 149623009 299246018 448869027 897738054