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898378105 = 5208186341
BaseRepresentation
bin110101100011000…
…010100101111001
32022121110100002011
4311203002211321
53314441044410
6225051205521
731156042102
oct6543024571
92277410064
10898378105
11421124849
12210a468a1
131141793a1
14874573a9
1553d0b18a
hex358c2979

898378105 has 8 divisors (see below), whose sum is σ = 1078584264. Its totient is φ = 718348800.

The previous prime is 898378097. The next prime is 898378127. The reversal of 898378105 is 501873898.

898378105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15872256 + 882505849 = 3984^2 + 29707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 898378105 - 23 = 898378097 is a prime.

It is a Duffinian number.

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, 32766 + ... + 53575.

It is an arithmetic number, because the mean of its divisors is an integer number (134823033).

Almost surely, 2898378105 is an apocalyptic number.

It is an amenable number.

898378105 is a deficient number, since it is larger than the sum of its proper divisors (180206159).

898378105 is a wasteful number, since it uses less digits than its factorization.

898378105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88427.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 898378105 is about 29972.9562272392. The cubic root of 898378105 is about 964.9090646053.

The spelling of 898378105 in words is "eight hundred ninety-eight million, three hundred seventy-eight thousand, one hundred five".

Divisors: 1 5 2081 10405 86341 431705 179675621 898378105