Search a number
-
+
42836807 = 138533863
BaseRepresentation
bin1010001101101…
…0001101000111
32222121100001102
42203122031013
541431234212
64130050315
71030051436
oct243321507
988540042
1042836807
11221a8a22
121241999b
138b4ab30
14599111d
153b625c2
hex28da347

42836807 has 8 divisors (see below), whose sum is σ = 46197984. Its totient is φ = 39485088.

The previous prime is 42836777. The next prime is 42836809. The reversal of 42836807 is 70863824.

42836807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42836807 - 26 = 42836743 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 (42836809) 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 7 ways as a sum of consecutive naturals, for example, 9158 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (5774748).

Almost surely, 242836807 is an apocalyptic number.

42836807 is a deficient number, since it is larger than the sum of its proper divisors (3361177).

42836807 is a wasteful number, since it uses less digits than its factorization.

42836807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42836807 is about 6544.9833460445. The cubic root of 42836807 is about 349.8960425949.

The spelling of 42836807 in words is "forty-two million, eight hundred thirty-six thousand, eight hundred seven".

Divisors: 1 13 853 3863 11089 50219 3295139 42836807