Base | Representation |
---|---|
bin | 1000001011000… |
… | …00100010000000 |
3 | 11202222211210210 |
4 | 10011200202000 |
5 | 120022142312 |
6 | 10445154120 |
7 | 1461455325 |
oct | 405404200 |
9 | 152884723 |
10 | 68552832 |
11 | 35772837 |
12 | 1ab5b940 |
13 | 11282c0a |
14 | 9166b4c |
15 | 6041e3c |
hex | 4160880 |
68552832 has 64 divisors (see below), whose sum is σ = 183355200. Its totient is φ = 22692864.
The previous prime is 68552831. The next prime is 68552833. The reversal of 68552832 is 23825586.
It is an interprime number because it is at equal distance from previous prime (68552831) and next prime (68552833).
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-5 number, since 5×685528325 (a number of 40 digits) contains 55555 as substring.
It is not an unprimeable number, because it can be changed into a prime (68552831) 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, 63594 + ... + 64662.
It is an arithmetic number, because the mean of its divisors is an integer number (2864925).
Almost surely, 268552832 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 68552832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91677600).
68552832 is an abundant number, since it is smaller than the sum of its proper divisors (114802368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68552832 is a wasteful number, since it uses less digits than its factorization.
68552832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1253 (or 1241 counting only the distinct ones).
The product of its digits is 115200, while the sum is 39.
The square root of 68552832 is about 8279.6637612889. The cubic root of 68552832 is about 409.2686386620.
The spelling of 68552832 in words is "sixty-eight million, five hundred fifty-two thousand, eight hundred thirty-two".
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