Base | Representation |
---|---|
bin | 11001001011101… |
… | …10010001010000 |
3 | 112201111112001201 |
4 | 30211312101100 |
5 | 413034420313 |
6 | 32543440544 |
7 | 5143402663 |
oct | 1445662120 |
9 | 481445051 |
10 | 211248208 |
11 | a92759a6 |
12 | 5a8b6154 |
13 | 349c5052 |
14 | 200ad6da |
15 | 1382c0dd |
hex | c976450 |
211248208 has 10 divisors (see below), whose sum is σ = 409293434. Its totient is φ = 105624096.
The previous prime is 211248187. The next prime is 211248211. The reversal of 211248208 is 802842112.
It can be written as a sum of positive squares in only one way, i.e., 186923584 + 24324624 = 13672^2 + 4932^2 .
It is a super-2 number, since 2×2112482082 = 89251610766422528, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601491 + ... + 6601522.
Almost surely, 2211248208 is an apocalyptic number.
It is an amenable number.
211248208 is a deficient number, since it is larger than the sum of its proper divisors (198045226).
211248208 is a wasteful number, since it uses less digits than its factorization.
211248208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13203021 (or 13203015 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 211248208 is about 14534.3802069438. The cubic root of 211248208 is about 595.5675285540.
The spelling of 211248208 in words is "two hundred eleven million, two hundred forty-eight thousand, two hundred eight".
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