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542712837 = 3180904279
BaseRepresentation
bin100000010110010…
…010010000000101
31101211012200001110
4200112102100011
52102413302322
6125504115233
716306661112
oct4026222005
91354180043
10542712837
11259390207
12131905b19
138858b674
1452113909
15329a3c0c
hex20592405

542712837 has 4 divisors (see below), whose sum is σ = 723617120. Its totient is φ = 361808556.

The previous prime is 542712817. The next prime is 542712869. The reversal of 542712837 is 738217245.

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 542712837 - 212 = 542708741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542712795 and 542712804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542712817) 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, 90452137 + ... + 90452142.

It is an arithmetic number, because the mean of its divisors is an integer number (180904280).

Almost surely, 2542712837 is an apocalyptic number.

It is an amenable number.

542712837 is a deficient number, since it is larger than the sum of its proper divisors (180904283).

542712837 is a wasteful number, since it uses less digits than its factorization.

542712837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180904282.

The product of its digits is 94080, while the sum is 39.

The square root of 542712837 is about 23296.1979086717. The cubic root of 542712837 is about 815.6866693377.

The spelling of 542712837 in words is "five hundred forty-two million, seven hundred twelve thousand, eight hundred thirty-seven".

Divisors: 1 3 180904279 542712837