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986493091 = 19149348461
BaseRepresentation
bin111010110011001…
…011000010100011
32112202021001010011
4322303023002203
54010020234331
6241515545351
733306024103
oct7263130243
92482231104
10986493091
11466938951
1223645b257
131294bb32c
1495033203
155b9143b1
hex3accb0a3

986493091 has 8 divisors (see below), whose sum is σ = 1045386000. Its totient is φ = 928297440.

The previous prime is 986493089. The next prime is 986493103. The reversal of 986493091 is 190394689.

986493091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 986493091 - 21 = 986493089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986493031) 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, 171400 + ... + 177061.

It is an arithmetic number, because the mean of its divisors is an integer number (130673250).

Almost surely, 2986493091 is an apocalyptic number.

986493091 is a deficient number, since it is larger than the sum of its proper divisors (58892909).

986493091 is a wasteful number, since it uses less digits than its factorization.

986493091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348629.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 986493091 is about 31408.4875630776. The cubic root of 986493091 is about 995.4772727760.

The spelling of 986493091 in words is "nine hundred eighty-six million, four hundred ninety-three thousand, ninety-one".

Divisors: 1 19 149 2831 348461 6620759 51920689 986493091