Base | Representation |
---|---|
bin | 11011011111110… |
… | …00110010111100 |
3 | 121002000121012201 |
4 | 31233320302330 |
5 | 433022012322 |
6 | 34515441244 |
7 | 5500361002 |
oct | 1557706274 |
9 | 532017181 |
10 | 230657212 |
11 | 1092221a5 |
12 | 652b6224 |
13 | 38a2c476 |
14 | 228c2a72 |
15 | 153b2d27 |
hex | dbf8cbc |
230657212 has 12 divisors (see below), whose sum is σ = 404941936. Its totient is φ = 114959520.
The previous prime is 230657191. The next prime is 230657233. The reversal of 230657212 is 212756032.
It is an interprime number because it is at equal distance from previous prime (230657191) and next prime (230657233).
It is a super-2 number, since 2×2306572122 = 106405498895225888, which contains 22 as substring.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90864 + ... + 93367.
Almost surely, 2230657212 is an apocalyptic number.
It is an amenable number.
230657212 is a deficient number, since it is larger than the sum of its proper divisors (174284724).
230657212 is a wasteful number, since it uses less digits than its factorization.
230657212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184548 (or 184546 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 230657212 is about 15187.4030696495. The cubic root of 230657212 is about 613.2755906835.
The spelling of 230657212 in words is "two hundred thirty million, six hundred fifty-seven thousand, two hundred twelve".
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