Base | Representation |
---|---|
bin | 1011100110001… |
… | …0100010111110 |
3 | 10101112001222200 |
4 | 2321202202332 |
5 | 44422410032 |
6 | 4454252330 |
7 | 1130263110 |
oct | 271424276 |
9 | 111461880 |
10 | 48638142 |
11 | 25500613 |
12 | 143570a6 |
13 | a0cc587 |
14 | 66613b0 |
15 | 440b47c |
hex | 2e628be |
48638142 has 24 divisors (see below), whose sum is σ = 120437616. Its totient is φ = 13896576.
The previous prime is 48638141. The next prime is 48638147. The reversal of 48638142 is 24183684.
48638142 is a `hidden beast` number, since 4 + 8 + 638 + 14 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 48638097 and 48638106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48638141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192883 + ... + 193134.
It is an arithmetic number, because the mean of its divisors is an integer number (5018234).
Almost surely, 248638142 is an apocalyptic number.
48638142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
48638142 is an abundant number, since it is smaller than the sum of its proper divisors (71799474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48638142 is a wasteful number, since it uses less digits than its factorization.
48638142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386032 (or 386029 counting only the distinct ones).
The product of its digits is 36864, while the sum is 36.
The square root of 48638142 is about 6974.1051038825. The cubic root of 48638142 is about 365.0275628150.
The spelling of 48638142 in words is "forty-eight million, six hundred thirty-eight thousand, one hundred forty-two".
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