Base | Representation |
---|---|
bin | 1001110001011… |
… | …0111001111101 |
3 | 2212010102100122 |
4 | 2130112321331 |
5 | 40443111120 |
6 | 4022304325 |
7 | 1005252242 |
oct | 234267175 |
9 | 85112318 |
10 | 40988285 |
11 | 21156118 |
12 | 118880a5 |
13 | 8651630 |
14 | 562d5c9 |
15 | 38e9a25 |
hex | 2716e7d |
40988285 has 8 divisors (see below), whose sum is σ = 52969560. Its totient is φ = 30268224.
The previous prime is 40988273. The next prime is 40988291. The reversal of 40988285 is 58288904.
It can be written as a sum of positive squares in 4 ways, for example, as 2709316 + 38278969 = 1646^2 + 6187^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 40988285 - 212 = 40984189 is a prime.
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, 315230 + ... + 315359.
It is an arithmetic number, because the mean of its divisors is an integer number (6621195).
Almost surely, 240988285 is an apocalyptic number.
It is an amenable number.
40988285 is a deficient number, since it is larger than the sum of its proper divisors (11981275).
40988285 is a wasteful number, since it uses less digits than its factorization.
40988285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630607.
The product of its (nonzero) digits is 184320, while the sum is 44.
The square root of 40988285 is about 6402.2093842673. The cubic root of 40988285 is about 344.7888787431.
The spelling of 40988285 in words is "forty million, nine hundred eighty-eight thousand, two hundred eighty-five".
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