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542500511 = 7261181499
BaseRepresentation
bin100000010101011…
…110011010011111
31101210210212210112
4200111132122133
52102340004021
6125455400235
716305115100
oct4025363237
91353725715
10542500511
11259255733
1213182307b
1388515b27
145209a3a7
1532960d5b
hex2055e69f

542500511 has 12 divisors (see below), whose sum is σ = 641421000. Its totient is φ = 457374960.

The previous prime is 542500487. The next prime is 542500573. The reversal of 542500511 is 115005245.

It is a happy number.

It is not a de Polignac number, because 542500511 - 210 = 542499487 is a prime.

It is a super-2 number, since 2×5425005112 = 588613608870522242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542500111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87761 + ... + 93738.

It is an arithmetic number, because the mean of its divisors is an integer number (53451750).

Almost surely, 2542500511 is an apocalyptic number.

542500511 is a deficient number, since it is larger than the sum of its proper divisors (98920489).

542500511 is a wasteful number, since it uses less digits than its factorization.

542500511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181574 (or 181567 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 542500511 is about 23291.6403673078. The cubic root of 542500511 is about 815.5802815351.

Adding to 542500511 its reverse (115005245), we get a palindrome (657505756).

The spelling of 542500511 in words is "five hundred forty-two million, five hundred thousand, five hundred eleven".

Divisors: 1 7 49 61 427 2989 181499 1270493 8893451 11071439 77500073 542500511