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997093 = 3492857
BaseRepresentation
bin11110011011011100101
31212122202101
43303123211
5223401333
633212101
711321656
oct3633345
91778671
10997093
11621149
12401031
1328bac6
141bd52d
1514a67d
hexf36e5

997093 has 4 divisors (see below), whose sum is σ = 1000300. Its totient is φ = 993888.

The previous prime is 997091. The next prime is 997097. The reversal of 997093 is 390799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390799 = 894391.

It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 294849 = 838^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 997093 - 21 = 997091 is a prime.

It is a Duffinian number.

997093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (250075).

2997093 is an apocalyptic number.

It is an amenable number.

997093 is a deficient number, since it is larger than the sum of its proper divisors (3207).

997093 is a wasteful number, since it uses less digits than its factorization.

997093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 997093 is about 998.5454421307. The cubic root of 997093 is about 99.9030059520.

It can be divided in two parts, 99 and 7093, that multiplied together give a palindrome (702207).

The spelling of 997093 in words is "nine hundred ninety-seven thousand, ninety-three".

Divisors: 1 349 2857 997093