Base | Representation |
---|---|
bin | 1100111000010… |
… | …0100100111111 |
3 | 10202122112002010 |
4 | 3032010210333 |
5 | 102312123130 |
6 | 5205502303 |
7 | 1224110631 |
oct | 316044477 |
9 | 122575063 |
10 | 54020415 |
11 | 28547379 |
12 | 16111993 |
13 | b265357 |
14 | 7262a51 |
15 | 4b210b0 |
hex | 338493f |
54020415 has 8 divisors (see below), whose sum is σ = 86432688. Its totient is φ = 28810880.
The previous prime is 54020387. The next prime is 54020423. The reversal of 54020415 is 51402045.
Added to its reverse (51402045) it gives a triangular number (105422460 = T14520).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54020415 - 217 = 53889343 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54020391 and 54020400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800666 + ... + 1800695.
It is an arithmetic number, because the mean of its divisors is an integer number (10804086).
Almost surely, 254020415 is an apocalyptic number.
54020415 is a deficient number, since it is larger than the sum of its proper divisors (32412273).
54020415 is a wasteful number, since it uses less digits than its factorization.
54020415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3601369.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 54020415 is about 7349.8581618967. The cubic root of 54020415 is about 378.0239409825.
Adding to 54020415 its reverse (51402045), we get a triangular number (105422460 = T14520).
The spelling of 54020415 in words is "fifty-four million, twenty thousand, four hundred fifteen".
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