Search a number
-
+
492553 = 4491097
BaseRepresentation
bin1111000010000001001
3221000122201
41320100021
5111230203
614320201
74121005
oct1702011
9830581
10492553
11307076
121b9061
13143269
14cb705
159ae1d
hex78409

492553 has 4 divisors (see below), whose sum is σ = 494100. Its totient is φ = 491008.

The previous prime is 492551. The next prime is 492563. The reversal of 492553 is 355294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355294 = 2177647.

It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 273529 = 468^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 492553 - 21 = 492551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492551) 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 3 ways as a sum of consecutive naturals, for example, 100 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (123525).

2492553 is an apocalyptic number.

It is an amenable number.

492553 is a deficient number, since it is larger than the sum of its proper divisors (1547).

492553 is a wasteful number, since it uses less digits than its factorization.

492553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its digits is 5400, while the sum is 28.

The square root of 492553 is about 701.8212023016. The cubic root of 492553 is about 78.9740340878.

The spelling of 492553 in words is "four hundred ninety-two thousand, five hundred fifty-three".

Divisors: 1 449 1097 492553