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1490885705 = 5439679219
BaseRepresentation
bin101100011011101…
…0001110001001001
310211220100211201002
41120313101301021
511023131320310
6403534504345
751642214361
oct13067216111
93756324632
101490885705
116a5625551
123573650b5
131a9b508ba
1410200d9a1
158ad48da5
hex58dd1c49

1490885705 has 8 divisors (see below), whose sum is σ = 1793140800. Its totient is φ = 1189989936.

The previous prime is 1490885701. The next prime is 1490885713. The reversal of 1490885705 is 5075880941.

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 1490885705 - 22 = 1490885701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1490885705.

It is not an unprimeable number, because it can be changed into a prime (1490885701) 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, 337415 + ... + 341804.

It is an arithmetic number, because the mean of its divisors is an integer number (224142600).

Almost surely, 21490885705 is an apocalyptic number.

It is an amenable number.

1490885705 is a deficient number, since it is larger than the sum of its proper divisors (302255095).

1490885705 is an equidigital number, since it uses as much as digits as its factorization.

1490885705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679663.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 1490885705 is about 38611.9891355004. The cubic root of 1490885705 is about 1142.3910277888.

The spelling of 1490885705 in words is "one billion, four hundred ninety million, eight hundred eighty-five thousand, seven hundred five".

Divisors: 1 5 439 2195 679219 3396095 298177141 1490885705