Base | Representation |
---|---|
bin | 1001100011000… |
… | …1110101111010 |
3 | 2210100202022220 |
4 | 2120301311322 |
5 | 40223100132 |
6 | 3550224510 |
7 | 664263654 |
oct | 230616572 |
9 | 83322286 |
10 | 40050042 |
11 | 2067520a |
12 | 114b5136 |
13 | 83b3566 |
14 | 54676d4 |
15 | 37b1a2c |
hex | 2631d7a |
40050042 has 8 divisors (see below), whose sum is σ = 80100096. Its totient is φ = 13350012.
The previous prime is 40050041. The next prime is 40050053. The reversal of 40050042 is 24005004.
It is a sphenic number, since it is the product of 3 distinct primes.
40050042 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (40050041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337498 + ... + 3337509.
It is an arithmetic number, because the mean of its divisors is an integer number (10012512).
Almost surely, 240050042 is an apocalyptic number.
40050042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40050042 is a wasteful number, since it uses less digits than its factorization.
40050042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6675012.
The product of its (nonzero) digits is 160, while the sum is 15.
The square root of 40050042 is about 6328.5102512361. The cubic root of 40050042 is about 342.1377475966.
Adding to 40050042 its reverse (24005004), we get a palindrome (64055046).
The spelling of 40050042 in words is "forty million, fifty thousand, forty-two", and thus it is an eban number.
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