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851103084 = 2231359891039
BaseRepresentation
bin110010101110101…
…100110101101100
32012022111111221110
4302232230311230
53220340244314
6220242032020
730043154046
oct6256546554
92168444843
10851103084
113a7475387
121b9048610
131074363c0
148106ca96
154eabda59
hex32bacd6c

851103084 has 96 divisors (see below), whose sum is σ = 2201472000. Its totient is φ = 254301696.

The previous prime is 851103061. The next prime is 851103091. The reversal of 851103084 is 480301158.

It is a super-2 number, since 2×8511030842 = 1448752919188622112, which contains 22 as substring.

It is an unprimeable number.

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, 818637 + ... + 819675.

It is an arithmetic number, because the mean of its divisors is an integer number (22932000).

Almost surely, 2851103084 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 851103084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100736000).

851103084 is an abundant number, since it is smaller than the sum of its proper divisors (1350368916).

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

851103084 is a wasteful number, since it uses less digits than its factorization.

851103084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 851103084 is about 29173.6710751321. The cubic root of 851103084 is about 947.6778312054.

The spelling of 851103084 in words is "eight hundred fifty-one million, one hundred three thousand, eighty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 59 78 89 118 156 177 178 236 267 354 356 534 708 767 1039 1068 1157 1534 2078 2301 2314 3068 3117 3471 4156 4602 4628 5251 6234 6942 9204 10502 12468 13507 13884 15753 21004 27014 31506 40521 54028 61301 63012 68263 81042 92471 122602 136526 162084 183903 184942 204789 245204 273052 277413 367806 369884 409578 554826 735612 796913 819156 1109652 1202123 1593826 2390739 2404246 3187652 3606369 4781478 4808492 5455789 7212738 9562956 10911578 14425476 16367367 21823156 32734734 65469468 70925257 141850514 212775771 283701028 425551542 851103084