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542015057 is a prime number
BaseRepresentation
bin100000010011100…
…111111001010001
31101202220012212202
4200103213321101
52102223440212
6125441132545
716301023553
oct4023477121
91352805782
10542015057
11258a53a31
1213162a155
13883a5b8c
1451db14d3
15328b70c2
hex204e7e51

542015057 has 2 divisors, whose sum is σ = 542015058. Its totient is φ = 542015056.

The previous prime is 542014997. The next prime is 542015069. The reversal of 542015057 is 750510245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466603201 + 75411856 = 21601^2 + 8684^2 .

It is a cyclic number.

It is not a de Polignac number, because 542015057 - 28 = 542014801 is a prime.

It is not a weakly prime, because it can be changed into another prime (542015087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271007528 + 271007529.

It is an arithmetic number, because the mean of its divisors is an integer number (271007529).

Almost surely, 2542015057 is an apocalyptic number.

It is an amenable number.

542015057 is a deficient number, since it is larger than the sum of its proper divisors (1).

542015057 is an equidigital number, since it uses as much as digits as its factorization.

542015057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 542015057 is about 23281.2168281643. The cubic root of 542015057 is about 815.3369362242.

The spelling of 542015057 in words is "five hundred forty-two million, fifteen thousand, fifty-seven".