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42063277 = 53817817
BaseRepresentation
bin1010000001110…
…1010110101101
32221011000222011
42200131112231
541232011102
64101321221
71020350314
oct240352655
987130864
1042063277
112181a843
1212106211
138939a19
14582d27b
153a5d2d7
hex281d5ad

42063277 has 4 divisors (see below), whose sum is σ = 42076476. Its totient is φ = 42050080.

The previous prime is 42063271. The next prime is 42063299. The reversal of 42063277 is 77236024.

It is a happy number.

42063277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4351396 + 37711881 = 2086^2 + 6141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42063277 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 (42063271) 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, 1473 + ... + 9289.

It is an arithmetic number, because the mean of its divisors is an integer number (10519119).

Almost surely, 242063277 is an apocalyptic number.

It is an amenable number.

42063277 is a deficient number, since it is larger than the sum of its proper divisors (13199).

42063277 is an equidigital number, since it uses as much as digits as its factorization.

42063277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 42063277 is about 6485.6207875577. The cubic root of 42063277 is about 347.7771424018. Note that the first 3 decimals are identical.

The spelling of 42063277 in words is "forty-two million, sixty-three thousand, two hundred seventy-seven".

Divisors: 1 5381 7817 42063277