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543031 = 1721879
BaseRepresentation
bin10000100100100110111
31000120220021
42010210313
5114334111
615350011
74421116
oct2044467
91016807
10543031
11340a95
12222307
13160228
14101c7d
15aad71
hex84937

543031 has 6 divisors (see below), whose sum is σ = 577160. Its totient is φ = 510816.

The previous prime is 543029. The next prime is 543061. The reversal of 543031 is 130345.

It is not a de Polignac number, because 543031 - 21 = 543029 is a prime.

It is a super-2 number, since 2×5430312 = 589765333922, which contains 22 as substring.

It is a Duffinian number.

543031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 542996 and 543014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543061) 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, 651 + ... + 1228.

2543031 is an apocalyptic number.

543031 is a deficient number, since it is larger than the sum of its proper divisors (34129).

543031 is a wasteful number, since it uses less digits than its factorization.

543031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 543031 is about 736.9063712576. The cubic root of 543031 is about 81.5846035766.

Adding to 543031 its reverse (130345), we get a palindrome (673376).

Subtracting from 543031 its reverse (130345), we obtain a triangular number (412686 = T908).

The spelling of 543031 in words is "five hundred forty-three thousand, thirty-one".

Divisors: 1 17 289 1879 31943 543031