Base | Representation |
---|---|
bin | 1000001101100… |
… | …00101010111100 |
3 | 11210121112002021 |
4 | 10012300222330 |
5 | 120113143314 |
6 | 10500205524 |
7 | 1464323326 |
oct | 406605274 |
9 | 153545067 |
10 | 68881084 |
11 | 35977418 |
12 | 1b0998a4 |
13 | 1136944c |
14 | 9210616 |
15 | 60a9324 |
hex | 41b0abc |
68881084 has 12 divisors (see below), whose sum is σ = 122585400. Its totient is φ = 33856688.
The previous prime is 68881049. The next prime is 68881103. The reversal of 68881084 is 48018886.
It is a self number, because there is not a number n which added to its sum of digits gives 68881084.
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, 145699 + ... + 146170.
It is an arithmetic number, because the mean of its divisors is an integer number (10215450).
Almost surely, 268881084 is an apocalyptic number.
It is an amenable number.
68881084 is a deficient number, since it is larger than the sum of its proper divisors (53704316).
68881084 is a wasteful number, since it uses less digits than its factorization.
68881084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291932 (or 291930 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 43.
The square root of 68881084 is about 8299.4628741865. The cubic root of 68881084 is about 409.9208334159.
The spelling of 68881084 in words is "sixty-eight million, eight hundred eighty-one thousand, eighty-four".
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