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542929 = 17109293
BaseRepresentation
bin10000100100011010001
31000120202111
42010203101
5114333204
615345321
74420612
oct2044321
91016674
10542929
11340a02
12222241
1316017a
14101c09
15aad04
hex848d1

542929 has 8 divisors (see below), whose sum is σ = 582120. Its totient is φ = 504576.

The previous prime is 542923. The next prime is 542933. The reversal of 542929 is 929245.

It can be written as a sum of positive squares in 4 ways, for example, as 342225 + 200704 = 585^2 + 448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542929 - 23 = 542921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542929.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2542929 is an apocalyptic number.

It is an amenable number.

542929 is a deficient number, since it is larger than the sum of its proper divisors (39191).

542929 is a wasteful number, since it uses less digits than its factorization.

542929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 6480, while the sum is 31.

The square root of 542929 is about 736.8371597578. The cubic root of 542929 is about 81.5794951202.

The spelling of 542929 in words is "five hundred forty-two thousand, nine hundred twenty-nine".

Divisors: 1 17 109 293 1853 4981 31937 542929