Base | Representation |
---|---|
bin | 1010000001100… |
… | …1101000011100 |
3 | 2221010021001101 |
4 | 2200121220130 |
5 | 41231014103 |
6 | 4101122444 |
7 | 1020255001 |
oct | 240315034 |
9 | 87107041 |
10 | 42048028 |
11 | 2180a340 |
12 | 120b9424 |
13 | 8932ab9 |
14 | 58278a8 |
15 | 3a58a1d |
hex | 2819a1c |
42048028 has 48 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 17841600.
The previous prime is 42048011. The next prime is 42048029. The reversal of 42048028 is 82084024.
It is a junction number, because it is equal to n+sod(n) for n = 42047987 and 42048005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42048029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39025 + ... + 40087.
It is an arithmetic number, because the mean of its divisors is an integer number (1787520).
Almost surely, 242048028 is an apocalyptic number.
It is an amenable number.
42048028 is an abundant number, since it is smaller than the sum of its proper divisors (43752932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42048028 is a wasteful number, since it uses less digits than its factorization.
42048028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138 (or 1136 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
The square root of 42048028 is about 6484.4450803442. The cubic root of 42048028 is about 347.7351113238.
The spelling of 42048028 in words is "forty-two million, forty-eight thousand, twenty-eight".
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