Base | Representation |
---|---|
bin | 1110100010100… |
… | …0001000000000 |
3 | 11020202012020201 |
4 | 3220220020000 |
5 | 111102404020 |
6 | 10015014544 |
7 | 1340223250 |
oct | 350501000 |
9 | 136665221 |
10 | 60981760 |
11 | 31471554 |
12 | 1850a454 |
13 | c831aa8 |
14 | 8155960 |
15 | 5548a0a |
hex | 3a28200 |
60981760 has 160 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 20152320.
The previous prime is 60981757. The next prime is 60981779. The reversal of 60981760 is 6718906.
It is a tau number, because it is divible by the number of its divisors (160).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734679 + ... + 734761.
Almost surely, 260981760 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 60981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86619456).
60981760 is an abundant number, since it is smaller than the sum of its proper divisors (112257152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60981760 is an equidigital number, since it uses as much as digits as its factorization.
60981760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154 (or 138 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 60981760 is about 7809.0818922585. The cubic root of 60981760 is about 393.6104784925.
It can be divided in two parts, 609 and 81760, that added together give a square (82369 = 2872).
The spelling of 60981760 in words is "sixty million, nine hundred eighty-one thousand, seven hundred sixty".
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