Base | Representation |
---|---|
bin | 1100101011001… |
… | …0001001010000 |
3 | 10201000201201121 |
4 | 3022302021100 |
5 | 102102032410 |
6 | 5135212024 |
7 | 1213560664 |
oct | 312621120 |
9 | 121021647 |
10 | 53158480 |
11 | 28008831 |
12 | 15977014 |
13 | b022c2b |
14 | 70ba8a4 |
15 | 4a009da |
hex | 32b2250 |
53158480 has 40 divisors (see below), whose sum is σ = 124257672. Its totient is φ = 21149184.
The previous prime is 53158471. The next prime is 53158489. The reversal of 53158480 is 8485135.
It is an interprime number because it is at equal distance from previous prime (53158471) and next prime (53158489).
It can be written as a sum of positive squares in 4 ways, for example, as 36869184 + 16289296 = 6072^2 + 4036^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53158489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14074 + ... + 17446.
Almost surely, 253158480 is an apocalyptic number.
It is an amenable number.
53158480 is an abundant number, since it is smaller than the sum of its proper divisors (71099192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53158480 is a wasteful number, since it uses less digits than its factorization.
53158480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3583 (or 3577 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 53158480 is about 7290.9862158696. The cubic root of 53158480 is about 376.0026029698.
The spelling of 53158480 in words is "fifty-three million, one hundred fifty-eight thousand, four hundred eighty".
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