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542306365 = 5108461273
BaseRepresentation
bin100000010100101…
…111000000111101
31101210110000110221
4200110233000331
52102312300430
6125451301341
716303346056
oct4024570075
91353400427
10542306365
11259132887
1213174a851
1388478653
145204972d
153292357a
hex2052f03d

542306365 has 4 divisors (see below), whose sum is σ = 650767644. Its totient is φ = 433845088.

The previous prime is 542306363. The next prime is 542306371. The reversal of 542306365 is 563603245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563603245 = 5112720649.

It can be written as a sum of positive squares in 2 ways, for example, as 424236409 + 118069956 = 20597^2 + 10866^2 .

It is a cyclic number.

It is not a de Polignac number, because 542306365 - 21 = 542306363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542306365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542306363) 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 3 ways as a sum of consecutive naturals, for example, 54230632 + ... + 54230641.

It is an arithmetic number, because the mean of its divisors is an integer number (162691911).

Almost surely, 2542306365 is an apocalyptic number.

It is an amenable number.

542306365 is a deficient number, since it is larger than the sum of its proper divisors (108461279).

542306365 is a wasteful number, since it uses less digits than its factorization.

542306365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108461278.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 542306365 is about 23287.4722758826. The cubic root of 542306365 is about 815.4829786825.

The spelling of 542306365 in words is "five hundred forty-two million, three hundred six thousand, three hundred sixty-five".

Divisors: 1 5 108461273 542306365