Base | Representation |
---|---|
bin | 100000010111110… |
… | …1111001011100000 |
3 | 2210200222111212210 |
4 | 1000233233023200 |
5 | 4211040141330 |
6 | 255442122120 |
7 | 35630010435 |
oct | 10057571340 |
9 | 2720874783 |
10 | 1086255840 |
11 | 5081880aa |
12 | 263950340 |
13 | 14407ab47 |
14 | a43a1b8c |
15 | 6556d8b0 |
hex | 40bef2e0 |
1086255840 has 96 divisors (see below), whose sum is σ = 3601825920. Its totient is φ = 274420224.
The previous prime is 1086255823. The next prime is 1086255847. The reversal of 1086255840 is 485526801.
It is a tau number, because it is divible by the number of its divisors (96).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1086255847) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50434 + ... + 68673.
It is an arithmetic number, because the mean of its divisors is an integer number (37519020).
Almost surely, 21086255840 is an apocalyptic number.
1086255840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1086255840 is an abundant number, since it is smaller than the sum of its proper divisors (2515570080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1086255840 is a wasteful number, since it uses less digits than its factorization.
1086255840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119144 (or 119136 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 39.
The square root of 1086255840 is about 32958.3955920187. The cubic root of 1086255840 is about 1027.9627434806.
The spelling of 1086255840 in words is "one billion, eighty-six million, two hundred fifty-five thousand, eight hundred forty".
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