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806514813 = 3513241479
BaseRepresentation
bin110000000100100…
…111000001111101
32002012121012100000
4300010213001331
53122431433223
6212010224513
725662156066
oct6004470175
92065535300
10806514813
11384290575
121a6125139
13cb124300
147918356d
154ac12543
hex3012707d

806514813 has 72 divisors (see below), whose sum is σ = 1342897920. Its totient is φ = 483200640.

The previous prime is 806514791. The next prime is 806514829. The reversal of 806514813 is 318415608.

It is not a de Polignac number, because 806514813 - 213 = 806506621 is a prime.

It is a super-2 number, since 2×8065148132 = 1300932287176849938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806514013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1683508 + ... + 1683986.

It is an arithmetic number, because the mean of its divisors is an integer number (18651360).

Almost surely, 2806514813 is an apocalyptic number.

It is an amenable number.

806514813 is a deficient number, since it is larger than the sum of its proper divisors (536383107).

806514813 is a wasteful number, since it uses less digits than its factorization.

806514813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 806514813 is about 28399.2044430826. The cubic root of 806514813 is about 930.8308807623.

The spelling of 806514813 in words is "eight hundred six million, five hundred fourteen thousand, eight hundred thirteen".

Divisors: 1 3 9 13 27 39 41 81 117 123 169 243 351 369 479 507 533 1053 1107 1437 1521 1599 3159 3321 4311 4563 4797 6227 6929 9963 12933 13689 14391 18681 19639 20787 38799 41067 43173 56043 58917 62361 80951 116397 129519 168129 176751 187083 242853 255307 504387 530253 561249 728559 765921 1513161 1590759 1683747 2185677 2297763 3318991 4772277 6557031 6893289 9956973 19671093 20679867 29870919 62039601 89612757 268838271 806514813