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542101 = 7431801
BaseRepresentation
bin10000100010110010101
31000112121211
42010112111
5114321401
615341421
74415320
oct2042625
91015554
10542101
1134031a
12221871
1315c991
141017b7
15aa951
hex84595

542101 has 8 divisors (see below), whose sum is σ = 634304. Its totient is φ = 453600.

The previous prime is 542093. The next prime is 542111. The reversal of 542101 is 101245.

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

It is not a de Polignac number, because 542101 - 23 = 542093 is a prime.

It is a Duffinian number.

542101 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (79288).

2542101 is an apocalyptic number.

It is an amenable number.

542101 is a deficient number, since it is larger than the sum of its proper divisors (92203).

542101 is a wasteful number, since it uses less digits than its factorization.

542101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 542101 is about 736.2750844623. The cubic root of 542101 is about 81.5380027769.

Adding to 542101 its reverse (101245), we get a palindrome (643346).

The spelling of 542101 in words is "five hundred forty-two thousand, one hundred one".

Divisors: 1 7 43 301 1801 12607 77443 542101