Search a number
-
+
42147059 = 43197789
BaseRepresentation
bin1010000011000…
…1110011110011
32221022021220012
42200301303303
541242201214
64103205135
71021146503
oct240616363
987267805
1042147059
1121877789
12121467ab
138968bb6
145851a03
153a7803e
hex2831cf3

42147059 has 4 divisors (see below), whose sum is σ = 42245280. Its totient is φ = 42048840.

The previous prime is 42147043. The next prime is 42147067. The reversal of 42147059 is 95074124.

It is a happy number.

42147059 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.

It is a cyclic number.

It is not a de Polignac number, because 42147059 - 24 = 42147043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42147019) 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, 48464 + ... + 49325.

It is an arithmetic number, because the mean of its divisors is an integer number (10561320).

Almost surely, 242147059 is an apocalyptic number.

42147059 is a deficient number, since it is larger than the sum of its proper divisors (98221).

42147059 is an equidigital number, since it uses as much as digits as its factorization.

42147059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98220.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 42147059 is about 6492.0766323265. The cubic root of 42147059 is about 348.0078911101.

The spelling of 42147059 in words is "forty-two million, one hundred forty-seven thousand, fifty-nine".

Divisors: 1 431 97789 42147059