Base | Representation |
---|---|
bin | 1000001000001… |
… | …10000010101110 |
3 | 11202022000101022 |
4 | 10010012002232 |
5 | 114423312230 |
6 | 10433214142 |
7 | 1455352616 |
oct | 404060256 |
9 | 152260338 |
10 | 68182190 |
11 | 3553a31a |
12 | 1aa01352 |
13 | 111832bb |
14 | 90aba46 |
15 | 5ebc1e5 |
hex | 41060ae |
68182190 has 16 divisors (see below), whose sum is σ = 126960480. Its totient is φ = 26332320.
The previous prime is 68182187. The next prime is 68182207. The reversal of 68182190 is 9128186.
It is a super-2 number, since 2×681821902 = 9297622066392200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 68182190.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117266 + ... + 117845.
It is an arithmetic number, because the mean of its divisors is an integer number (7935030).
Almost surely, 268182190 is an apocalyptic number.
68182190 is a deficient number, since it is larger than the sum of its proper divisors (58778290).
68182190 is a wasteful number, since it uses less digits than its factorization.
68182190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235147.
The product of its (nonzero) digits is 6912, while the sum is 35.
The square root of 68182190 is about 8257.2507531260. The cubic root of 68182190 is about 408.5297129352.
The spelling of 68182190 in words is "sixty-eight million, one hundred eighty-two thousand, one hundred ninety".
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