Base | Representation |
---|---|
bin | 1000001001010… |
… | …10110001010100 |
3 | 11202120122202002 |
4 | 10010222301110 |
5 | 114443121003 |
6 | 10440334432 |
7 | 1456550330 |
oct | 404526124 |
9 | 152518662 |
10 | 68332628 |
11 | 35632351 |
12 | 1aa74418 |
13 | 11206910 |
14 | 910a7c0 |
15 | 5eeba88 |
hex | 412ac54 |
68332628 has 48 divisors (see below), whose sum is σ = 147874944. Its totient is φ = 26904960.
The previous prime is 68332619. The next prime is 68332631. The reversal of 68332628 is 82623386.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68332591 and 68332600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126038 + ... + 126578.
It is an arithmetic number, because the mean of its divisors is an integer number (3080728).
Almost surely, 268332628 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68332628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73937472).
68332628 is an abundant number, since it is smaller than the sum of its proper divisors (79542316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68332628 is a wasteful number, since it uses less digits than its factorization.
68332628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912 (or 910 counting only the distinct ones).
The product of its digits is 82944, while the sum is 38.
The square root of 68332628 is about 8266.3551823037. The cubic root of 68332628 is about 408.8299538409.
The spelling of 68332628 in words is "sixty-eight million, three hundred thirty-two thousand, six hundred twenty-eight".
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