Base | Representation |
---|---|
bin | 110001100010100… |
… | …101000000110110 |
3 | 2010220221200211110 |
4 | 301202211000312 |
5 | 3200233214321 |
6 | 214250215450 |
7 | 26411433156 |
oct | 6142450066 |
9 | 2126850743 |
10 | 831148086 |
11 | 39718594a |
12 | 1b2424586 |
13 | 10326a602 |
14 | 7c556766 |
15 | 4ce7b176 |
hex | 318a5036 |
831148086 has 8 divisors (see below), whose sum is σ = 1662296184. Its totient is φ = 277049360.
The previous prime is 831148061. The next prime is 831148147. The reversal of 831148086 is 680841138.
It is a sphenic number, since it is the product of 3 distinct primes.
831148086 is an admirable number.
It is a super-3 number, since 3×8311480863 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69262335 + ... + 69262346.
It is an arithmetic number, because the mean of its divisors is an integer number (207787023).
Almost surely, 2831148086 is an apocalyptic number.
831148086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
831148086 is a wasteful number, since it uses less digits than its factorization.
831148086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138524686.
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 831148086 is about 28829.6390195923. The cubic root of 831148086 is about 940.2127502451.
The spelling of 831148086 in words is "eight hundred thirty-one million, one hundred forty-eight thousand, eighty-six".
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