Base | Representation |
---|---|
bin | 11001100101101… |
… | …00000001011000 |
3 | 112221220012011011 |
4 | 30302310001120 |
5 | 414422144442 |
6 | 33144343304 |
7 | 5214316426 |
oct | 1462640130 |
9 | 487805134 |
10 | 214646872 |
11 | 100187410 |
12 | 5ba74b34 |
13 | 35614cab |
14 | 20716116 |
15 | 13c9e117 |
hex | ccb4058 |
214646872 has 32 divisors (see below), whose sum is σ = 439664400. Its totient is φ = 97430400.
The previous prime is 214646869. The next prime is 214646911. The reversal of 214646872 is 278646412.
It is a happy number.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 88654 + ... + 91042.
Almost surely, 2214646872 is an apocalyptic number.
214646872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
214646872 is an abundant number, since it is smaller than the sum of its proper divisors (225017528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214646872 is a wasteful number, since it uses less digits than its factorization.
214646872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3427 (or 3423 counting only the distinct ones).
The product of its digits is 129024, while the sum is 40.
The square root of 214646872 is about 14650.8317852605. The cubic root of 214646872 is about 598.7444783117.
It can be divided in two parts, 21464687 and 2, that added together give a square (21464689 = 46332).
The spelling of 214646872 in words is "two hundred fourteen million, six hundred forty-six thousand, eight hundred seventy-two".
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