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985083311 = 3179402239
BaseRepresentation
bin111010101101110…
…010110110101111
32112122121102021002
4322231302312233
54004140131221
6241425430515
733261033002
oct7255626657
92478542232
10985083311
11466065743
12235a9b43b
13129116744
1494b87539
155b73680b
hex3ab72daf

985083311 has 8 divisors (see below), whose sum is σ = 1029734400. Its totient is φ = 941236920.

The previous prime is 985083283. The next prime is 985083317. The reversal of 985083311 is 113380589.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-985083311 is a prime.

It is a super-2 number, since 2×9850833112 = 1940778259221445442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985083317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198671 + ... + 203568.

It is an arithmetic number, because the mean of its divisors is an integer number (128716800).

Almost surely, 2985083311 is an apocalyptic number.

985083311 is a deficient number, since it is larger than the sum of its proper divisors (44651089).

985083311 is a wasteful number, since it uses less digits than its factorization.

985083311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402349.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 985083311 is about 31386.0368794787. The cubic root of 985083311 is about 995.0028403242.

The spelling of 985083311 in words is "nine hundred eighty-five million, eighty-three thousand, three hundred eleven".

Divisors: 1 31 79 2449 402239 12469409 31776881 985083311