Base | Representation |
---|---|
bin | 11001100100100… |
… | …11001000101100 |
3 | 112221122100101021 |
4 | 30302103020230 |
5 | 414403342142 |
6 | 33141423524 |
7 | 5213215630 |
oct | 1462231054 |
9 | 487570337 |
10 | 214512172 |
11 | 1000a5196 |
12 | 5ba0aba4 |
13 | 355988a4 |
14 | 206bcdc0 |
15 | 13c74267 |
hex | cc9322c |
214512172 has 48 divisors (see below), whose sum is σ = 437133312. Its totient is φ = 90213120.
The previous prime is 214512139. The next prime is 214512211. The reversal of 214512172 is 271215412.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559893 + ... + 560275.
It is an arithmetic number, because the mean of its divisors is an integer number (9106944).
Almost surely, 2214512172 is an apocalyptic number.
It is an amenable number.
214512172 is an abundant number, since it is smaller than the sum of its proper divisors (222621140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214512172 is a wasteful number, since it uses less digits than its factorization.
214512172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 718 (or 716 counting only the distinct ones).
The product of its digits is 1120, while the sum is 25.
The square root of 214512172 is about 14646.2340552102. The cubic root of 214512172 is about 598.6192062669.
Adding to 214512172 its reverse (271215412), we get a palindrome (485727584).
The spelling of 214512172 in words is "two hundred fourteen million, five hundred twelve thousand, one hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •