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1394936806 = 222315432027
BaseRepresentation
bin101001100100101…
…0000101111100110
310121012211010120011
41103021100233212
510324100434211
6350230200434
746365524104
oct12311205746
93535733504
101394936806
1165645073a
1232b1b311a
13192cc7cc3
14d3394c74
15826e4921
hex53250be6

1394936806 has 16 divisors (see below), whose sum is σ = 2104187904. Its totient is φ = 693548424.

The previous prime is 1394936747. The next prime is 1394936833. The reversal of 1394936806 is 6086394931.

It is a self number, because there is not a number n which added to its sum of digits gives 1394936806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687165 + ... + 689191.

It is an arithmetic number, because the mean of its divisors is an integer number (131511744).

Almost surely, 21394936806 is an apocalyptic number.

1394936806 is a deficient number, since it is larger than the sum of its proper divisors (709251098).

1394936806 is a wasteful number, since it uses less digits than its factorization.

1394936806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 1394936806 is about 37348.8528070140. The cubic root of 1394936806 is about 1117.3387084770.

The spelling of 1394936806 in words is "one billion, three hundred ninety-four million, nine hundred thirty-six thousand, eight hundred six".

Divisors: 1 2 223 446 1543 2027 3086 4054 344089 452021 688178 904042 3127661 6255322 697468403 1394936806