Search a number
-
+
87424339 = 1917326597
BaseRepresentation
bin1010011010111…
…11110101010011
320002111121122111
411031133311103
5134340034324
612401450151
72111044312
oct515376523
9202447574
1087424339
1145392222
1225340957
131515c7a2
14b87a279
157a1d794
hex535fd53

87424339 has 8 divisors (see below), whose sum is σ = 92561040. Its totient is φ = 82341216.

The previous prime is 87424331. The next prime is 87424361. The reversal of 87424339 is 93342478.

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 87424339 - 23 = 87424331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87424331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10012 + ... + 16585.

It is an arithmetic number, because the mean of its divisors is an integer number (11570130).

Almost surely, 287424339 is an apocalyptic number.

87424339 is a deficient number, since it is larger than the sum of its proper divisors (5136701).

87424339 is a wasteful number, since it uses less digits than its factorization.

87424339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26789.

The product of its digits is 145152, while the sum is 40.

The square root of 87424339 is about 9350.0983417288. The cubic root of 87424339 is about 443.8240026287.

The spelling of 87424339 in words is "eighty-seven million, four hundred twenty-four thousand, three hundred thirty-nine".

Divisors: 1 19 173 3287 26597 505343 4601281 87424339