Base | Representation |
---|---|
bin | 1001101110011… |
… | …1001110011110 |
3 | 2211202111110111 |
4 | 2123213032132 |
5 | 40420333430 |
6 | 4014200234 |
7 | 1003510000 |
oct | 233471636 |
9 | 84674414 |
10 | 40792990 |
11 | 21032417 |
12 | 117b307a |
13 | 85b3784 |
14 | 55bc370 |
15 | 38abc2a |
hex | 26e739e |
40792990 has 40 divisors (see below), whose sum is σ = 85710600. Its totient is φ = 13977936.
The previous prime is 40792967. The next prime is 40793003. The reversal of 40792990 is 9929704.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23161 + ... + 24859.
It is an arithmetic number, because the mean of its divisors is an integer number (2142765).
Almost surely, 240792990 is an apocalyptic number.
40792990 is an abundant number, since it is smaller than the sum of its proper divisors (44917610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40792990 is an equidigital number, since it uses as much as digits as its factorization.
40792990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1734 (or 1713 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 40792990 is about 6386.9390164616. The cubic root of 40792990 is about 344.2404068112.
The spelling of 40792990 in words is "forty million, seven hundred ninety-two thousand, nine hundred ninety".
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