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542514 = 23712917
BaseRepresentation
bin10000100011100110010
31000120012010
42010130302
5114330024
615343350
74416450
oct2043462
91016163
10542514
11340665
12221b56
1315cc1b
141019d0
15aab29
hex84732

542514 has 16 divisors (see below), whose sum is σ = 1240128. Its totient is φ = 154992.

The previous prime is 542497. The next prime is 542519. The reversal of 542514 is 415245.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542514.

It is not an unprimeable number, because it can be changed into a prime (542519) by changing a digit.

542514 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6417 + ... + 6500.

It is an arithmetic number, because the mean of its divisors is an integer number (77508).

2542514 is an apocalyptic number.

542514 is an abundant number, since it is smaller than the sum of its proper divisors (697614).

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

542514 is a wasteful number, since it uses less digits than its factorization.

542514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929.

The product of its digits is 800, while the sum is 21.

The square root of 542514 is about 736.5554968908. Note that the first 3 decimals coincide. The cubic root of 542514 is about 81.5587041142.

Adding to 542514 its reverse (415245), we get a palindrome (957759).

The spelling of 542514 in words is "five hundred forty-two thousand, five hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 12917 25834 38751 77502 90419 180838 271257 542514