Base | Representation |
---|---|
bin | 1010000011001… |
… | …0010001111000 |
3 | 2221022101112111 |
4 | 2200302101320 |
5 | 41242231414 |
6 | 4103222104 |
7 | 1021155223 |
oct | 240622170 |
9 | 87271474 |
10 | 42148984 |
11 | 21879179 |
12 | 12147934 |
13 | 8969a37 |
14 | 58525ba |
15 | 3a788c4 |
hex | 2832478 |
42148984 has 32 divisors (see below), whose sum is σ = 85730400. Its totient is φ = 19348480.
The previous prime is 42148979. The next prime is 42148991. The reversal of 42148984 is 48984124.
It is a happy number.
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, 1797 + ... + 9355.
It is an arithmetic number, because the mean of its divisors is an integer number (2679075).
Almost surely, 242148984 is an apocalyptic number.
It is an amenable number.
42148984 is an abundant number, since it is smaller than the sum of its proper divisors (43581416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42148984 is a wasteful number, since it uses less digits than its factorization.
42148984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7623 (or 7619 counting only the distinct ones).
The product of its digits is 73728, while the sum is 40.
The square root of 42148984 is about 6492.2248882798. The cubic root of 42148984 is about 348.0131892654.
The spelling of 42148984 in words is "forty-two million, one hundred forty-eight thousand, nine hundred eighty-four".
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