Base | Representation |
---|---|
bin | 1000001110010… |
… | …00101000100000 |
3 | 11210210111201101 |
4 | 10013020220200 |
5 | 120124313412 |
6 | 10502244144 |
7 | 1465212430 |
oct | 407105040 |
9 | 153714641 |
10 | 68979232 |
11 | 35a34133 |
12 | 1b126654 |
13 | 113a201a |
14 | 92382c0 |
15 | 60c8457 |
hex | 41c8a20 |
68979232 has 48 divisors (see below), whose sum is σ = 155881152. Its totient is φ = 29433600.
The previous prime is 68979223. The next prime is 68979241. The reversal of 68979232 is 23297986.
It is an interprime number because it is at equal distance from previous prime (68979223) and next prime (68979241).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65107 + ... + 66157.
It is an arithmetic number, because the mean of its divisors is an integer number (3247524).
Almost surely, 268979232 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 68979232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77940576).
68979232 is an abundant number, since it is smaller than the sum of its proper divisors (86901920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68979232 is a wasteful number, since it uses less digits than its factorization.
68979232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1361 (or 1353 counting only the distinct ones).
The product of its digits is 326592, while the sum is 46.
The square root of 68979232 is about 8305.3736821410. The cubic root of 68979232 is about 410.1154384443.
It can be divided in two parts, 6897 and 9232, that added together give a square (16129 = 1272).
The spelling of 68979232 in words is "sixty-eight million, nine hundred seventy-nine thousand, two hundred thirty-two".
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