Base | Representation |
---|---|
bin | 110100000000110… |
… | …101111011110001 |
3 | 2020211000111202020 |
4 | 310000311323301 |
5 | 3241343324040 |
6 | 222331342053 |
7 | 30424166463 |
oct | 6400657361 |
9 | 2224014666 |
10 | 872636145 |
11 | 4086424a7 |
12 | 2042b1929 |
13 | 10ba35564 |
14 | 83c76133 |
15 | 51923cd0 |
hex | 34035ef1 |
872636145 has 8 divisors (see below), whose sum is σ = 1396217856. Its totient is φ = 465405936.
The previous prime is 872636131. The next prime is 872636173. The reversal of 872636145 is 541636278.
872636145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 872636145 - 25 = 872636113 is a prime.
It is a super-2 number, since 2×8726361452 = 1522987683120922050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 872636097 and 872636106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29087857 + ... + 29087886.
It is an arithmetic number, because the mean of its divisors is an integer number (174527232).
Almost surely, 2872636145 is an apocalyptic number.
It is an amenable number.
872636145 is a deficient number, since it is larger than the sum of its proper divisors (523581711).
872636145 is a wasteful number, since it uses less digits than its factorization.
872636145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58175751.
The product of its digits is 241920, while the sum is 42.
The square root of 872636145 is about 29540.4154507008. The cubic root of 872636145 is about 955.6035018432.
The spelling of 872636145 in words is "eight hundred seventy-two million, six hundred thirty-six thousand, one hundred forty-five".
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