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10392857 = 19353849
BaseRepresentation
bin100111101001…
…010100011001
3201120000022122
4213221110121
510130032412
61010431025
7154223606
oct47512431
921500278
1010392857
115959342
123592475
1321cb627
1415476ad
15da4572
hex9e9519

10392857 has 4 divisors (see below), whose sum is σ = 10446900. Its totient is φ = 10338816.

The previous prime is 10392847. The next prime is 10392859. The reversal of 10392857 is 75829301.

10392857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7557001 + 2835856 = 2749^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 10392857 - 216 = 10327321 is a prime.

It is a super-2 number, since 2×103928572 = 216022953244898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10392859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26732 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (2611725).

Almost surely, 210392857 is an apocalyptic number.

It is an amenable number.

10392857 is a deficient number, since it is larger than the sum of its proper divisors (54043).

10392857 is an equidigital number, since it uses as much as digits as its factorization.

10392857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54042.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 10392857 is about 3223.7954339567. The cubic root of 10392857 is about 218.2285919658.

The spelling of 10392857 in words is "ten million, three hundred ninety-two thousand, eight hundred fifty-seven".

Divisors: 1 193 53849 10392857