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920193 = 31718043
BaseRepresentation
bin11100000101010000001
31201202021020
43200222001
5213421233
631420053
710551531
oct3405201
91652236
10920193
1157939a
12384629
13262ac1
1419d4c1
151329b3
hexe0a81

920193 has 8 divisors (see below), whose sum is σ = 1299168. Its totient is φ = 577344.

The previous prime is 920167. The next prime is 920197. The reversal of 920193 is 391029.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 920193 - 28 = 919937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8971 + ... + 9072.

It is an arithmetic number, because the mean of its divisors is an integer number (162396).

2920193 is an apocalyptic number.

It is an amenable number.

920193 is a deficient number, since it is larger than the sum of its proper divisors (378975).

920193 is a wasteful number, since it uses less digits than its factorization.

920193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 920193 is about 959.2669075914. The cubic root of 920193 is about 97.2656832204.

It can be divided in two parts, 9 and 20193, that added together give a palindrome (20202).

The spelling of 920193 in words is "nine hundred twenty thousand, one hundred ninety-three".

Divisors: 1 3 17 51 18043 54129 306731 920193