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806801544 = 2332232112309
BaseRepresentation
bin110000000101101…
…101000010001000
32002020010202122200
4300011231002020
53123020122134
6212020320200
725664462043
oct6005550210
92066122580
10806801544
11384466a3a
121a6243060
13cb1c4983
1479219c5a
154ac6c499
hex3016d088

806801544 has 96 divisors (see below), whose sum is σ = 2291889600. Its totient is φ = 255911040.

The previous prime is 806801543. The next prime is 806801551. The reversal of 806801544 is 445108608.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 806801499 and 806801508.

It is not an unprimeable number, because it can be changed into a prime (806801543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348262 + ... + 350570.

It is an arithmetic number, because the mean of its divisors is an integer number (23873850).

Almost surely, 2806801544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806801544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145944800).

806801544 is an abundant number, since it is smaller than the sum of its proper divisors (1485088056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806801544 is a wasteful number, since it uses less digits than its factorization.

806801544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 806801544 is about 28404.2522168777. The cubic root of 806801544 is about 930.9411769165.

The spelling of 806801544 in words is "eight hundred six million, eight hundred one thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 211 276 414 422 552 633 828 844 1266 1656 1688 1899 2309 2532 3798 4618 4853 5064 6927 7596 9236 9706 13854 14559 15192 18472 19412 20781 27708 29118 38824 41562 43677 53107 55416 58236 83124 87354 106214 116472 159321 166248 174708 212428 318642 349416 424856 477963 487199 637284 955926 974398 1274568 1461597 1911852 1948796 2923194 3823704 3897592 4384791 5846388 8769582 11205577 11692776 17539164 22411154 33616731 35078328 44822308 67233462 89644616 100850193 134466924 201700386 268933848 403400772 806801544