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42127763 = 271155453
BaseRepresentation
bin1010000010110…
…1000110010011
32221021022102112
42200231012103
541241042023
64102535535
71021036316
oct240550623
987238375
1042127763
1121864237
12121375ab
138960192
14584897d
153a72478
hex282d193

42127763 has 4 divisors (see below), whose sum is σ = 42283488. Its totient is φ = 41972040.

The previous prime is 42127747. The next prime is 42127783. The reversal of 42127763 is 36772124.

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

It is a cyclic number.

It is not a de Polignac number, because 42127763 - 24 = 42127747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42127733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77456 + ... + 77997.

It is an arithmetic number, because the mean of its divisors is an integer number (10570872).

Almost surely, 242127763 is an apocalyptic number.

42127763 is a deficient number, since it is larger than the sum of its proper divisors (155725).

42127763 is a wasteful number, since it uses less digits than its factorization.

42127763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155724.

The product of its digits is 14112, while the sum is 32.

The square root of 42127763 is about 6490.5903429503. The cubic root of 42127763 is about 347.9547740364.

Adding to 42127763 its reverse (36772124), we get a palindrome (78899887).

The spelling of 42127763 in words is "forty-two million, one hundred twenty-seven thousand, seven hundred sixty-three".

Divisors: 1 271 155453 42127763