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542253 = 3180751
BaseRepresentation
bin10000100011000101101
31000112211110
42010120231
5114323003
615342233
74415625
oct2043055
91015743
10542253
11340448
12221979
1315ca7a
14101885
15aaa03
hex8462d

542253 has 4 divisors (see below), whose sum is σ = 723008. Its totient is φ = 361500.

The previous prime is 542251. The next prime is 542261. The reversal of 542253 is 352245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 542253 - 21 = 542251 is a prime.

It is a d-powerful number, because it can be written as 52 + 43 + 26 + 219 + 56 + 37 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542251) 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, 90373 + ... + 90378.

It is an arithmetic number, because the mean of its divisors is an integer number (180752).

2542253 is an apocalyptic number.

It is an amenable number.

542253 is a deficient number, since it is larger than the sum of its proper divisors (180755).

542253 is a wasteful number, since it uses less digits than its factorization.

542253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180754.

The product of its digits is 1200, while the sum is 21.

The square root of 542253 is about 736.3782995173. The cubic root of 542253 is about 81.5456228934.

Adding to 542253 its reverse (352245), we get a palindrome (894498).

The spelling of 542253 in words is "five hundred forty-two thousand, two hundred fifty-three".

Divisors: 1 3 180751 542253