Base | Representation |
---|---|
bin | 1000000111100… |
… | …01101001111000 |
3 | 11202010202211100 |
4 | 10003301221320 |
5 | 114413124210 |
6 | 10431331400 |
7 | 1454554266 |
oct | 403615170 |
9 | 152122740 |
10 | 68098680 |
11 | 35492601 |
12 | 1a980b60 |
13 | 111542a0 |
14 | 9089436 |
15 | 5ea25c0 |
hex | 40f1a78 |
68098680 has 96 divisors (see below), whose sum is σ = 238361760. Its totient is φ = 16761600.
The previous prime is 68098669. The next prime is 68098721. The reversal of 68098680 is 8689086.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2596 + ... + 11955.
It is an arithmetic number, because the mean of its divisors is an integer number (2482935).
Almost surely, 268098680 is an apocalyptic number.
68098680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68098680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119180880).
68098680 is an abundant number, since it is smaller than the sum of its proper divisors (170263080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68098680 is a wasteful number, since it uses less digits than its factorization.
68098680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14581 (or 14574 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 68098680 is about 8252.1924359530. The cubic root of 68098680 is about 408.3628548234.
The spelling of 68098680 in words is "sixty-eight million, ninety-eight thousand, six hundred eighty".
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