Base | Representation |
---|---|
bin | 1001001001000… |
… | …00101101110110 |
3 | 12100021202021000 |
4 | 10210200231312 |
5 | 124112230204 |
6 | 11335304130 |
7 | 1620525003 |
oct | 444405566 |
9 | 170252230 |
10 | 76680054 |
11 | 3a313950 |
12 | 2181b046 |
13 | 12b6a219 |
14 | a2808aa |
15 | 6aea039 |
hex | 4920b76 |
76680054 has 64 divisors (see below), whose sum is σ = 187246080. Its totient is φ = 23067360.
The previous prime is 76680053. The next prime is 76680059. The reversal of 76680054 is 45008667.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76680053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98812 + ... + 99584.
It is an arithmetic number, because the mean of its divisors is an integer number (2925720).
Almost surely, 276680054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 76680054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93623040).
76680054 is an abundant number, since it is smaller than the sum of its proper divisors (110566026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76680054 is a wasteful number, since it uses less digits than its factorization.
76680054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 962 (or 956 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 76680054 is about 8756.7147949445. The cubic root of 76680054 is about 424.8420247932.
The spelling of 76680054 in words is "seventy-six million, six hundred eighty thousand, fifty-four".
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