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542012033 = 4312604931
BaseRepresentation
bin100000010011100…
…111001010000001
31101202220001201202
4200103213022001
52102223341113
6125441110545
716301012003
oct4023471201
91352801652
10542012033
11258a51732
12131628455
13883a46a4
1451db0373
15328b6258
hex204e7281

542012033 has 4 divisors (see below), whose sum is σ = 554617008. Its totient is φ = 529407060.

The previous prime is 542012021. The next prime is 542012039. The reversal of 542012033 is 330210245.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330210245 = 566042049.

It is a cyclic number.

It is not a de Polignac number, because 542012033 - 24 = 542012017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542011996 and 542012014.

It is not an unprimeable number, because it can be changed into a prime (542012039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6302423 + ... + 6302508.

It is an arithmetic number, because the mean of its divisors is an integer number (138654252).

Almost surely, 2542012033 is an apocalyptic number.

It is an amenable number.

542012033 is a deficient number, since it is larger than the sum of its proper divisors (12604975).

542012033 is a wasteful number, since it uses less digits than its factorization.

542012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604974.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 542012033 is about 23281.1518830147. The cubic root of 542012033 is about 815.3354199174.

Adding to 542012033 its reverse (330210245), we get a palindrome (872222278).

The spelling of 542012033 in words is "five hundred forty-two million, twelve thousand, thirty-three".

Divisors: 1 43 12604931 542012033