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8992057 = 23390959
BaseRepresentation
bin100010010011…
…010100111001
3121220211210011
4202103110321
54300221212
6520421521
7136300624
oct42232471
917824704
108992057
115091958
1230178a1
131b2ab59
1412a0dbb
15bc94a7
hex893539

8992057 has 4 divisors (see below), whose sum is σ = 9383040. Its totient is φ = 8601076.

The previous prime is 8992019. The next prime is 8992069. The reversal of 8992057 is 7502998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8992057 - 219 = 8467769 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8992007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195457 + ... + 195502.

It is an arithmetic number, because the mean of its divisors is an integer number (2345760).

Almost surely, 28992057 is an apocalyptic number.

It is an amenable number.

8992057 is a deficient number, since it is larger than the sum of its proper divisors (390983).

8992057 is a wasteful number, since it uses less digits than its factorization.

8992057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390982.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 8992057 is about 2998.6758744486. The cubic root of 8992057 is about 207.9471713098.

The spelling of 8992057 in words is "eight million, nine hundred ninety-two thousand, fifty-seven".

Divisors: 1 23 390959 8992057