Base | Representation |
---|---|
bin | 1000001000101… |
… | …10110010101000 |
3 | 11202102111111010 |
4 | 10010112302220 |
5 | 114433011132 |
6 | 10434503520 |
7 | 1456056621 |
oct | 404266250 |
9 | 152374433 |
10 | 68250792 |
11 | 35586915 |
12 | 1aa34ba0 |
13 | 111a85ac |
14 | 90c8a48 |
15 | 5ed26cc |
hex | 4116ca8 |
68250792 has 64 divisors (see below), whose sum is σ = 176745600. Its totient is φ = 21945600.
The previous prime is 68250781. The next prime is 68250799. The reversal of 68250792 is 29705286.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 68250792.
It is not an unprimeable number, because it can be changed into a prime (68250799) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133834 + ... + 134342.
It is an arithmetic number, because the mean of its divisors is an integer number (2761650).
Almost surely, 268250792 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 68250792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88372800).
68250792 is an abundant number, since it is smaller than the sum of its proper divisors (108494808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68250792 is a wasteful number, since it uses less digits than its factorization.
68250792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 706 (or 702 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 68250792 is about 8261.4037548107. The cubic root of 68250792 is about 408.6666820425. Note that the first 4 decimals are identical.
The spelling of 68250792 in words is "sixty-eight million, two hundred fifty thousand, seven hundred ninety-two".
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