Base | Representation |
---|---|
bin | 1011011101101… |
… | …0101000011111 |
3 | 10100110210100001 |
4 | 2313122220133 |
5 | 44302101224 |
6 | 4434315131 |
7 | 1122454060 |
oct | 267325037 |
9 | 110423301 |
10 | 48081439 |
11 | 2516032a |
12 | 14128aa7 |
13 | 9c66073 |
14 | 6558567 |
15 | 434b544 |
hex | 2ddaa1f |
48081439 has 8 divisors (see below), whose sum is σ = 56228480. Its totient is φ = 40253976.
The previous prime is 48081433. The next prime is 48081469. The reversal of 48081439 is 93418084.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 48081439 - 213 = 48073247 is a prime.
It is a super-3 number, since 3×480814393 (a number of 24 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 48081398 and 48081407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48081433) 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, 79569 + ... + 80170.
It is an arithmetic number, because the mean of its divisors is an integer number (7028560).
Almost surely, 248081439 is an apocalyptic number.
48081439 is a deficient number, since it is larger than the sum of its proper divisors (8147041).
48081439 is a wasteful number, since it uses less digits than its factorization.
48081439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159789.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 48081439 is about 6934.0780930128. The cubic root of 48081439 is about 363.6295364419.
The spelling of 48081439 in words is "forty-eight million, eighty-one thousand, four hundred thirty-nine".
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