Base | Representation |
---|---|
bin | 1000001000100… |
… | …01000000010010 |
3 | 11202101021222021 |
4 | 10010101000102 |
5 | 114431231330 |
6 | 10434202054 |
7 | 1455630541 |
oct | 404210022 |
9 | 152337867 |
10 | 68227090 |
11 | 35570028 |
12 | 1aa2332a |
13 | 1119a879 |
14 | 90c0158 |
15 | 5eca67a |
hex | 4111012 |
68227090 has 8 divisors (see below), whose sum is σ = 122808780. Its totient is φ = 27290832.
The previous prime is 68227087. The next prime is 68227109. The reversal of 68227090 is 9072286.
It can be written as a sum of positive squares in 2 ways, for example, as 62932489 + 5294601 = 7933^2 + 2301^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×682270903 (a number of 24 digits) contains 333 as substring.
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, 3411345 + ... + 3411364.
Almost surely, 268227090 is an apocalyptic number.
68227090 is a deficient number, since it is larger than the sum of its proper divisors (54581690).
68227090 is a wasteful number, since it uses less digits than its factorization.
68227090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6822716.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 68227090 is about 8259.9691282716. The cubic root of 68227090 is about 408.6193695797.
It can be divided in two parts, 682 and 27090, that added together give a palindrome (27772).
The spelling of 68227090 in words is "sixty-eight million, two hundred twenty-seven thousand, ninety".
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