Search a number
-
+
42132755 = 571203793
BaseRepresentation
bin1010000010111…
…0010100010011
32221021120021102
42200232110103
541241222010
64103015015
71021060010
oct240562423
987246242
1042132755
1121867a65
121213a46b
138962532
14584a707
153a73ba5
hex282e513

42132755 has 8 divisors (see below), whose sum is σ = 57782112. Its totient is φ = 28891008.

The previous prime is 42132719. The next prime is 42132763. The reversal of 42132755 is 55723124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42132755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 601862 + ... + 601931.

It is an arithmetic number, because the mean of its divisors is an integer number (7222764).

Almost surely, 242132755 is an apocalyptic number.

42132755 is a deficient number, since it is larger than the sum of its proper divisors (15649357).

42132755 is a wasteful number, since it uses less digits than its factorization.

42132755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203805.

The product of its digits is 8400, while the sum is 29.

The square root of 42132755 is about 6490.9748882583. The cubic root of 42132755 is about 347.9685173219.

Adding to 42132755 its reverse (55723124), we get a palindrome (97855879).

The spelling of 42132755 in words is "forty-two million, one hundred thirty-two thousand, seven hundred fifty-five".

Divisors: 1 5 7 35 1203793 6018965 8426551 42132755