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992101 = 1190191
BaseRepresentation
bin11110010001101100101
31212101220111
43302031211
5223221401
633133021
711301265
oct3621545
91771814
10992101
11618420
123ba171
13289756
141bb7a5
15148e51
hexf2365

992101 has 4 divisors (see below), whose sum is σ = 1082304. Its totient is φ = 901900.

The previous prime is 992087. The next prime is 992111. The reversal of 992101 is 101299.

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: 101299 = 119209.

It is a cyclic number.

It is not a de Polignac number, because 992101 - 27 = 991973 is a prime.

It is a Smith number, since the sum of its digits (22) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992111) 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, 45085 + ... + 45106.

It is an arithmetic number, because the mean of its divisors is an integer number (270576).

2992101 is an apocalyptic number.

It is an amenable number.

992101 is a deficient number, since it is larger than the sum of its proper divisors (90203).

992101 is a wasteful number, since it uses less digits than its factorization.

992101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90202.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 992101 is about 996.0426697687. The cubic root of 992101 is about 99.7360036727.

The spelling of 992101 in words is "nine hundred ninety-two thousand, one hundred one".

Divisors: 1 11 90191 992101