Search a number
-
+
2097395806 = 211237179739
BaseRepresentation
bin111110100000011…
…1011100001011110
312102011121202011011
41331000323201132
513243413131211
6544042245434
7102655366402
oct17500734136
95364552134
102097395806
11986a1a570
124a64b687a
132756b870c
1415c7ad102
15c4200921
hex7d03b85e

2097395806 has 64 divisors (see below), whose sum is σ = 3682713600. Its totient is φ = 886485600.

The previous prime is 2097395759. The next prime is 2097395809. The reversal of 2097395806 is 6085937902.

It is a self number, because there is not a number n which added to its sum of digits gives 2097395806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097395809) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2837785 + ... + 2838523.

It is an arithmetic number, because the mean of its divisors is an integer number (57542400).

Almost surely, 22097395806 is an apocalyptic number.

2097395806 is a deficient number, since it is larger than the sum of its proper divisors (1585317794).

2097395806 is a wasteful number, since it uses less digits than its factorization.

2097395806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2097395806 is about 45797.3340490470. The cubic root of 2097395806 is about 1280.0496005356.

The spelling of 2097395806 in words is "two billion, ninety-seven million, three hundred ninety-five thousand, eight hundred six".

Divisors: 1 2 11 22 23 46 71 79 142 158 253 506 739 781 869 1478 1562 1633 1738 1817 3266 3634 5609 8129 11218 16258 16997 17963 19987 33994 35926 39974 52469 58381 61699 104938 116762 123398 129007 186967 258014 373934 577159 642191 1154318 1206787 1284382 1342763 1419077 2413574 2685526 2838154 4145051 8290102 13274657 14770393 26549314 29540786 45595561 91191122 95336173 190672346 1048697903 2097395806