Search a number
-
+
84026805 = 355601787
BaseRepresentation
bin1010000001000…
…10010110110101
312212010000002220
411000202112311
5133002324210
612200552553
72040134052
oct500422665
9185100086
1084026805
1143481645
1224182759
1314540205
14b234029
15759bc70
hex50225b5

84026805 has 8 divisors (see below), whose sum is σ = 134442912. Its totient is φ = 44814288.

The previous prime is 84026791. The next prime is 84026809. The reversal of 84026805 is 50862048.

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

It is not a de Polignac number, because 84026805 - 211 = 84024757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84026809) 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 7 ways as a sum of consecutive naturals, for example, 2800879 + ... + 2800908.

It is an arithmetic number, because the mean of its divisors is an integer number (16805364).

Almost surely, 284026805 is an apocalyptic number.

It is an amenable number.

84026805 is a deficient number, since it is larger than the sum of its proper divisors (50416107).

84026805 is a wasteful number, since it uses less digits than its factorization.

84026805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601795.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 84026805 is about 9166.6136059070. The cubic root of 84026805 is about 437.9984935625.

The spelling of 84026805 in words is "eighty-four million, twenty-six thousand, eight hundred five".

Divisors: 1 3 5 15 5601787 16805361 28008935 84026805