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495620 = 22524781
BaseRepresentation
bin1111001000000000100
3221011212022
41321000010
5111324440
614342312
74132646
oct1710004
9834768
10495620
11309404
121ba998
13144788
14cc896
159bcb5
hex79004

495620 has 12 divisors (see below), whose sum is σ = 1040844. Its totient is φ = 198240.

The previous prime is 495619. The next prime is 495629. The reversal of 495620 is 26594.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 315844 = 424^2 + 562^2 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 495620.

It is not an unprimeable number, because it can be changed into a prime (495629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12371 + ... + 12410.

It is an arithmetic number, because the mean of its divisors is an integer number (86737).

2495620 is an apocalyptic number.

It is an amenable number.

495620 is an abundant number, since it is smaller than the sum of its proper divisors (545224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495620 is a wasteful number, since it uses less digits than its factorization.

495620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24790 (or 24788 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 495620 is about 704.0028409034. The cubic root of 495620 is about 79.1376119912.

Subtracting from 495620 its sum of digits (26), we obtain a palindrome (495594).

The spelling of 495620 in words is "four hundred ninety-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 24781 49562 99124 123905 247810 495620