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8054820 = 2232573613
BaseRepresentation
bin11110101110100000100100
3120011020010200
4132232200210
54030223240
6444350500
7125315304
oct36564044
916136120
108054820
114601784
122845430
131890387
1410d9604
15a91930
hex7ae824

8054820 has 72 divisors (see below), whose sum is σ = 24808056. Its totient is φ = 2115072.

The previous prime is 8054771. The next prime is 8054833. The reversal of 8054820 is 284508.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 8054244 = 24^2 + 2838^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12834 + ... + 13446.

Almost surely, 28054820 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 8054820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12404028).

8054820 is an abundant number, since it is smaller than the sum of its proper divisors (16753236).

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

8054820 is a wasteful number, since it uses less digits than its factorization.

8054820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 8054820 is about 2838.1014781012. The cubic root of 8054820 is about 200.4557938043.

It can be divided in two parts, 805 and 4820, that added together give a square (5625 = 752).

The spelling of 8054820 in words is "eight million, fifty-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 146 180 219 292 365 438 613 657 730 876 1095 1226 1314 1460 1839 2190 2452 2628 3065 3285 3678 4380 5517 6130 6570 7356 9195 11034 12260 13140 18390 22068 27585 36780 44749 55170 89498 110340 134247 178996 223745 268494 402741 447490 536988 671235 805482 894980 1342470 1610964 2013705 2684940 4027410 8054820