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542275285 = 5108455057
BaseRepresentation
bin100000010100100…
…111011011010101
31101210101102211211
4200110213123111
52102310302120
6125450501421
716303156336
oct4024473325
91353342754
10542275285
112591114a2
12131734871
1388467466
145203c28d
153291925a
hex205276d5

542275285 has 4 divisors (see below), whose sum is σ = 650730348. Its totient is φ = 433820224.

The previous prime is 542275273. The next prime is 542275303. The reversal of 542275285 is 582572245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238609809 + 303665476 = 15447^2 + 17426^2 .

It is a cyclic number.

It is not a de Polignac number, because 542275285 - 215 = 542242517 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54227524 + ... + 54227533.

It is an arithmetic number, because the mean of its divisors is an integer number (162682587).

Almost surely, 2542275285 is an apocalyptic number.

It is an amenable number.

542275285 is a deficient number, since it is larger than the sum of its proper divisors (108455063).

542275285 is a wasteful number, since it uses less digits than its factorization.

542275285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108455062.

The product of its digits is 224000, while the sum is 40.

The square root of 542275285 is about 23286.8049547378. The cubic root of 542275285 is about 815.4673997300.

The spelling of 542275285 in words is "five hundred forty-two million, two hundred seventy-five thousand, two hundred eighty-five".

Divisors: 1 5 108455057 542275285