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992113287 = 311296715473
BaseRepresentation
bin111011001000100…
…111001010000111
32120010211120120120
4323020213022013
54012440111122
6242240233023
733404552364
oct7310471207
92503746516
10992113287
1146a027440
1223830b773
1312a7084a9
1495a9746b
155c17475c
hex3b227287

992113287 has 32 divisors (see below), whose sum is σ = 1515214080. Its totient is φ = 571845120.

The previous prime is 992113277. The next prime is 992113327. The reversal of 992113287 is 782311299.

992113287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 992113287 - 26 = 992113223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992113247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56383 + ... + 71855.

It is an arithmetic number, because the mean of its divisors is an integer number (47350440).

Almost surely, 2992113287 is an apocalyptic number.

992113287 is a deficient number, since it is larger than the sum of its proper divisors (523100793).

992113287 is a wasteful number, since it uses less digits than its factorization.

992113287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15583.

The product of its digits is 54432, while the sum is 42.

The square root of 992113287 is about 31497.8298776281. The cubic root of 992113287 is about 997.3641540873.

The spelling of 992113287 in words is "nine hundred ninety-two million, one hundred thirteen thousand, two hundred eighty-seven".

Divisors: 1 3 11 29 33 67 87 201 319 737 957 1943 2211 5829 15473 21373 46419 64119 170203 448717 510609 1036691 1346151 3110073 4935887 11403601 14807661 30064039 34210803 90192117 330704429 992113287