Base | Representation |
---|---|
bin | 1001000111111… |
… | …11111001111000 |
3 | 12100000220220022 |
4 | 10203333321320 |
5 | 124043430111 |
6 | 11332350012 |
7 | 1616425115 |
oct | 443777170 |
9 | 170026808 |
10 | 76545656 |
11 | 3a231980 |
12 | 21775308 |
13 | 12b20cb5 |
14 | a24790c |
15 | 6ac02db |
hex | 48ffe78 |
76545656 has 64 divisors (see below), whose sum is σ = 166406400. Its totient is φ = 32665600.
The previous prime is 76545653. The next prime is 76545701. The reversal of 76545656 is 65654567.
76545656 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76545653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119096 + ... + 119736.
It is an arithmetic number, because the mean of its divisors is an integer number (2600100).
Almost surely, 276545656 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 76545656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83203200).
76545656 is an abundant number, since it is smaller than the sum of its proper divisors (89860744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76545656 is a wasteful number, since it uses less digits than its factorization.
76545656 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740 (or 736 counting only the distinct ones).
The product of its digits is 756000, while the sum is 44.
The square root of 76545656 is about 8749.0374327694. The cubic root of 76545656 is about 424.5936711614.
The spelling of 76545656 in words is "seventy-six million, five hundred forty-five thousand, six hundred fifty-six".
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