Base | Representation |
---|---|
bin | 1000001000011… |
… | …10000010101011 |
3 | 11202100200022211 |
4 | 10010032002223 |
5 | 114430334310 |
6 | 10434025551 |
7 | 1455550264 |
oct | 404160253 |
9 | 152320284 |
10 | 68214955 |
11 | 355619a6 |
12 | 1aa182b7 |
13 | 111951a3 |
14 | 90b996b |
15 | 5ec6c8a |
hex | 410e0ab |
68214955 has 8 divisors (see below), whose sum is σ = 81913104. Its totient is φ = 54535200.
The previous prime is 68214953. The next prime is 68214977. The reversal of 68214955 is 55941286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68214955 - 21 = 68214953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68214953) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640 + ... + 12970.
It is an arithmetic number, because the mean of its divisors is an integer number (10239138).
Almost surely, 268214955 is an apocalyptic number.
68214955 is a deficient number, since it is larger than the sum of its proper divisors (13698149).
68214955 is a wasteful number, since it uses less digits than its factorization.
68214955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9197.
The product of its digits is 86400, while the sum is 40.
The square root of 68214955 is about 8259.2345286957. The cubic root of 68214955 is about 408.5951422038.
It can be divided in two parts, 68214 and 955, that added together give a square (69169 = 2632).
The spelling of 68214955 in words is "sixty-eight million, two hundred fourteen thousand, nine hundred fifty-five".
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