Search a number
-
+
985085087 = 7363738693
BaseRepresentation
bin111010101101110…
…011010010011111
32112122121111200212
4322231303102133
54004140210322
6241425443035
733261041120
oct7255632237
92478544625
10985085087
11466067008
12235aa047b
131291174ac
1494b88047
155b7370e2
hex3ab7349f

985085087 has 8 divisors (see below), whose sum is σ = 1126150176. Its totient is φ = 844104672.

The previous prime is 985085081. The next prime is 985085107. The reversal of 985085087 is 780580589.

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 985085087 - 210 = 985084063 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 (985085081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6113 + ... + 44805.

It is an arithmetic number, because the mean of its divisors is an integer number (140768772).

Almost surely, 2985085087 is an apocalyptic number.

985085087 is a deficient number, since it is larger than the sum of its proper divisors (141065089).

985085087 is a wasteful number, since it uses less digits than its factorization.

985085087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42337.

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 985085087 is about 31386.0651723022. The cubic root of 985085087 is about 995.0034382851.

The spelling of 985085087 in words is "nine hundred eighty-five million, eighty-five thousand, eighty-seven".

Divisors: 1 7 3637 25459 38693 270851 140726441 985085087