Base | Representation |
---|---|
bin | 1000001110000… |
… | …11110101010100 |
3 | 11210202111202020 |
4 | 10013003311110 |
5 | 120123201242 |
6 | 10502013140 |
7 | 1465101213 |
oct | 407036524 |
9 | 153674666 |
10 | 68959572 |
11 | 35a20390 |
12 | 1b1171b0 |
13 | 113960a6 |
14 | 923107a |
15 | 60c26ec |
hex | 41c3d54 |
68959572 has 48 divisors (see below), whose sum is σ = 178863552. Its totient is φ = 20500480.
The previous prime is 68959567. The next prime is 68959643. The reversal of 68959572 is 27595986.
It is a happy number.
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, 2068 + ... + 11924.
It is an arithmetic number, because the mean of its divisors is an integer number (3726324).
Almost surely, 268959572 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 68959572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89431776).
68959572 is an abundant number, since it is smaller than the sum of its proper divisors (109903980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68959572 is a wasteful number, since it uses less digits than its factorization.
68959572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9928 (or 9926 counting only the distinct ones).
The product of its digits is 1360800, while the sum is 51.
The square root of 68959572 is about 8304.1900267275. The cubic root of 68959572 is about 410.0764719543.
The spelling of 68959572 in words is "sixty-eight million, nine hundred fifty-nine thousand, five hundred seventy-two".
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