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542453 = 1721877
BaseRepresentation
bin10000100011011110101
31000120002212
42010123311
5114324303
615343205
74416332
oct2043365
91016085
10542453
1134060a
12221b05
1315cba2
14101989
15aaad8
hex846f5

542453 has 6 divisors (see below), whose sum is σ = 576546. Its totient is φ = 510272.

The previous prime is 542447. The next prime is 542461. The reversal of 542453 is 354245.

542453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 253009 + 289444 = 503^2 + 538^2 .

It is not a de Polignac number, because 542453 - 28 = 542197 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 (542483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (96091).

2542453 is an apocalyptic number.

It is an amenable number.

542453 is a deficient number, since it is larger than the sum of its proper divisors (34093).

542453 is a wasteful number, since it uses less digits than its factorization.

542453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1894 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 542453 is about 736.5140867628. The cubic root of 542453 is about 81.5556471932. Note that the first 3 decimals are identical.

Adding to 542453 its reverse (354245), we get a palindrome (896698).

It can be divided in two parts, 54245 and 3, that multiplied together give a triangular number (162735 = T570).

The spelling of 542453 in words is "five hundred forty-two thousand, four hundred fifty-three".

Divisors: 1 17 289 1877 31909 542453