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540053 = 613881
BaseRepresentation
bin10000011110110010101
31000102210222
42003312111
5114240203
615324125
74406333
oct2036625
91012728
10540053
11339828
12220645
1315ba77
14100b53
15aa038
hex83d95

540053 has 4 divisors (see below), whose sum is σ = 541548. Its totient is φ = 538560.

The previous prime is 540041. The next prime is 540061. The reversal of 540053 is 350045.

540053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 350045 = 570009.

It can be written as a sum of positive squares in 2 ways, for example, as 31684 + 508369 = 178^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 540053 - 28 = 539797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542053) 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, 173 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (135387).

2540053 is an apocalyptic number.

It is an amenable number.

540053 is a deficient number, since it is larger than the sum of its proper divisors (1495).

540053 is an equidigital number, since it uses as much as digits as its factorization.

540053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 540053 is about 734.8829838825. The cubic root of 540053 is about 81.4351925613.

Adding to 540053 its reverse (350045), we get a palindrome (890098).

The spelling of 540053 in words is "five hundred forty thousand, fifty-three".

Divisors: 1 613 881 540053