Base | Representation |
---|---|
bin | 11001100101000… |
… | …01010011101000 |
3 | 112221202022000001 |
4 | 30302201103220 |
5 | 414412221331 |
6 | 33142552344 |
7 | 5213550100 |
oct | 1462412350 |
9 | 487668001 |
10 | 214570216 |
11 | 100134863 |
12 | 5ba386b4 |
13 | 355b9133 |
14 | 206d6200 |
15 | 13c86561 |
hex | cca14e8 |
214570216 has 24 divisors (see below), whose sum is σ = 468004770. Its totient is φ = 91958496.
The previous prime is 214570207. The next prime is 214570231. The reversal of 214570216 is 612075412.
It can be written as a sum of positive squares in only one way, i.e., 167702500 + 46867716 = 12950^2 + 6846^2 .
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273295 + ... + 274078.
Almost surely, 2214570216 is an apocalyptic number.
It is an amenable number.
214570216 is an abundant number, since it is smaller than the sum of its proper divisors (253434554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214570216 is a wasteful number, since it uses less digits than its factorization.
214570216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 547393 (or 547382 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 214570216 is about 14648.2154544504. The cubic root of 214570216 is about 598.6731940653.
It can be divided in two parts, 2145 and 70216, that added together give a square (72361 = 2692).
The spelling of 214570216 in words is "two hundred fourteen million, five hundred seventy thousand, two hundred sixteen".
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