Base | Representation |
---|---|
bin | 1000001011100… |
… | …11011101001110 |
3 | 11210010210010211 |
4 | 10011303131032 |
5 | 120032132400 |
6 | 10450553034 |
7 | 1462230325 |
oct | 405633516 |
9 | 153123124 |
10 | 68630350 |
11 | 35815aa8 |
12 | 1ab9877a |
13 | 112ac299 |
14 | 91870bc |
15 | 6059dba |
hex | 417374e |
68630350 has 12 divisors (see below), whose sum is σ = 127652544. Its totient is φ = 27452120.
The previous prime is 68630339. The next prime is 68630357. The reversal of 68630350 is 5303686.
It is a super-2 number, since 2×686303502 = 9420249882245000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68630357) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686254 + ... + 686353.
It is an arithmetic number, because the mean of its divisors is an integer number (10637712).
Almost surely, 268630350 is an apocalyptic number.
68630350 is a deficient number, since it is larger than the sum of its proper divisors (59022194).
68630350 is a wasteful number, since it uses less digits than its factorization.
68630350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1372619 (or 1372614 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 68630350 is about 8284.3436674247. The cubic root of 68630350 is about 409.4228444751.
The spelling of 68630350 in words is "sixty-eight million, six hundred thirty thousand, three hundred fifty".
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