Search a number
-
+
1669770970 = 25733770783
BaseRepresentation
bin110001110000110…
…1010111011011010
311022100222011011021
41203201222323122
511404430132340
6433404553054
756243550640
oct14341527332
94270864137
101669770970
117875a670a
123a725278a
13207c2427a
1411ba97190
159b8d1e4a
hex6386aeda

1669770970 has 32 divisors (see below), whose sum is σ = 3445198848. Its totient is φ = 570786048.

The previous prime is 1669770953. The next prime is 1669770983. The reversal of 1669770970 is 790779661.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11802 + ... + 58981.

It is an arithmetic number, because the mean of its divisors is an integer number (107662464).

Almost surely, 21669770970 is an apocalyptic number.

1669770970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1669770970 is an abundant number, since it is smaller than the sum of its proper divisors (1775427878).

1669770970 is a wasteful number, since it uses less digits than its factorization.

1669770970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71134.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 1669770970 is about 40862.8311549751. The cubic root of 1669770970 is about 1186.3667566623.

The spelling of 1669770970 in words is "one billion, six hundred sixty-nine million, seven hundred seventy thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 337 674 1685 2359 3370 4718 11795 23590 70783 141566 353915 495481 707830 990962 2477405 4954810 23853871 47707742 119269355 166977097 238538710 333954194 834885485 1669770970