Base | Representation |
---|---|
bin | 11001100010010… |
… | …00110111100010 |
3 | 112221001220002112 |
4 | 30301020313202 |
5 | 414314123340 |
6 | 33131115322 |
7 | 5210511014 |
oct | 1461106742 |
9 | 487056075 |
10 | 214207970 |
11 | aaa07689 |
12 | 5b8a2b42 |
13 | 354c02a2 |
14 | 206401b4 |
15 | 13c14065 |
hex | cc48de2 |
214207970 has 24 divisors (see below), whose sum is σ = 403077276. Its totient is φ = 81955808.
The previous prime is 214207951. The next prime is 214208003. The reversal of 214207970 is 79702412.
It can be written as a sum of positive squares in 2 ways, for example, as 194909521 + 19298449 = 13961^2 + 4393^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14957 + ... + 25536.
Almost surely, 2214207970 is an apocalyptic number.
214207970 is a deficient number, since it is larger than the sum of its proper divisors (188869306).
214207970 is a wasteful number, since it uses less digits than its factorization.
214207970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40546 (or 40523 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 32.
The square root of 214207970 is about 14635.8453804350. The cubic root of 214207970 is about 598.3361029728.
The spelling of 214207970 in words is "two hundred fourteen million, two hundred seven thousand, nine hundred seventy".
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