Base | Representation |
---|---|
bin | 1100111011110… |
… | …0111111001111 |
3 | 10210002021000202 |
4 | 3032330333033 |
5 | 102342021341 |
6 | 5214444115 |
7 | 1226062361 |
oct | 316747717 |
9 | 123067022 |
10 | 54251471 |
11 | 28694a2a |
12 | 1620363b |
13 | b316581 |
14 | 72c2d31 |
15 | 4b6979b |
hex | 33bcfcf |
54251471 has 4 divisors (see below), whose sum is σ = 57442752. Its totient is φ = 51060192.
The previous prime is 54251447. The next prime is 54251497. The reversal of 54251471 is 17415245.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 54251471 - 222 = 50057167 is a prime.
It is a super-3 number, since 3×542514713 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54251671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595615 + ... + 1595648.
It is an arithmetic number, because the mean of its divisors is an integer number (14360688).
Almost surely, 254251471 is an apocalyptic number.
54251471 is a deficient number, since it is larger than the sum of its proper divisors (3191281).
54251471 is a wasteful number, since it uses less digits than its factorization.
54251471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3191280.
The product of its digits is 5600, while the sum is 29.
The square root of 54251471 is about 7365.5597886379. The cubic root of 54251471 is about 378.5621354446.
The spelling of 54251471 in words is "fifty-four million, two hundred fifty-one thousand, four hundred seventy-one".
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