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992057 = 1190187
BaseRepresentation
bin11110010001100111001
31212101211212
43302030321
5223221212
633132505
711301203
oct3621471
91771755
10992057
11618390
123ba135
13289721
141bb773
15148e22
hexf2339

992057 has 4 divisors (see below), whose sum is σ = 1082256. Its totient is φ = 901860.

The previous prime is 992051. The next prime is 992087. The reversal of 992057 is 750299.

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, and also an emirpimes, since its reverse is a distinct semiprime: 750299 = 1168209.

It is a cyclic number.

It is not a de Polignac number, because 992057 - 218 = 729913 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 992057.

It is not an unprimeable number, because it can be changed into a prime (992051) 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, 45083 + ... + 45104.

It is an arithmetic number, because the mean of its divisors is an integer number (270564).

2992057 is an apocalyptic number.

It is an amenable number.

992057 is a deficient number, since it is larger than the sum of its proper divisors (90199).

992057 is a wasteful number, since it uses less digits than its factorization.

992057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90198.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 992057 is about 996.0205821167. The cubic root of 992057 is about 99.7345292096.

The spelling of 992057 in words is "nine hundred ninety-two thousand, fifty-seven".

Divisors: 1 11 90187 992057