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542485015 = 52317212741
BaseRepresentation
bin100000010101011…
…010101000010111
31101210210002112121
4200111122220113
52102334010030
6125455200411
716305021652
oct4025325027
91353702477
10542485015
11259245026
12131816107
138850ba67
1452094899
153295b47a
hex2055aa17

542485015 has 16 divisors (see below), whose sum is σ = 679928256. Its totient is φ = 414726400.

The previous prime is 542485003. The next prime is 542485019. The reversal of 542485015 is 510584245.

It is a happy number.

It is not a de Polignac number, because 542485015 - 215 = 542452247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542485019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196545 + ... + 199285.

It is an arithmetic number, because the mean of its divisors is an integer number (42495516).

Almost surely, 2542485015 is an apocalyptic number.

542485015 is a deficient number, since it is larger than the sum of its proper divisors (137443241).

542485015 is a wasteful number, since it uses less digits than its factorization.

542485015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 542485015 is about 23291.3077133939. The cubic root of 542485015 is about 815.5725160417.

The spelling of 542485015 in words is "five hundred forty-two million, four hundred eighty-five thousand, fifteen".

Divisors: 1 5 23 115 1721 2741 8605 13705 39583 63043 197915 315215 4717261 23586305 108497003 542485015