Base | Representation |
---|---|
bin | 1100111101110… |
… | …0011111100011 |
3 | 10210022211001011 |
4 | 3033130133203 |
5 | 102410134030 |
6 | 5221321351 |
7 | 1230140530 |
oct | 317343743 |
9 | 123284034 |
10 | 54380515 |
11 | 28772982 |
12 | 16266257 |
13 | b360227 |
14 | 7317d87 |
15 | 4b92b2a |
hex | 33dc7e3 |
54380515 has 8 divisors (see below), whose sum is σ = 74579040. Its totient is φ = 37289472.
The previous prime is 54380497. The next prime is 54380567. The reversal of 54380515 is 51508345.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54380515 - 215 = 54347747 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 776830 + ... + 776899.
It is an arithmetic number, because the mean of its divisors is an integer number (9322380).
Almost surely, 254380515 is an apocalyptic number.
54380515 is a deficient number, since it is larger than the sum of its proper divisors (20198525).
54380515 is a wasteful number, since it uses less digits than its factorization.
54380515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1553741.
The product of its (nonzero) digits is 12000, while the sum is 31.
The square root of 54380515 is about 7374.3145444170. The cubic root of 54380515 is about 378.8620504485.
The spelling of 54380515 in words is "fifty-four million, three hundred eighty thousand, five hundred fifteen".
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