Base | Representation |
---|---|
bin | 1001101101000… |
… | …1101111101111 |
3 | 2211121000202212 |
4 | 2123101233233 |
5 | 40410030012 |
6 | 4012241035 |
7 | 1002662330 |
oct | 233215757 |
9 | 84530685 |
10 | 40705007 |
11 | 20a82302 |
12 | 1177017b |
13 | 8582705 |
14 | 5598287 |
15 | 3890b22 |
hex | 26d1bef |
40705007 has 8 divisors (see below), whose sum is σ = 47398176. Its totient is φ = 34231392.
The previous prime is 40705001. The next prime is 40705033. The reversal of 40705007 is 70050704.
It is a happy number.
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 40705007 - 24 = 40704991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40705001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54488 + ... + 55229.
It is an arithmetic number, because the mean of its divisors is an integer number (5924772).
Almost surely, 240705007 is an apocalyptic number.
40705007 is a deficient number, since it is larger than the sum of its proper divisors (6693169).
40705007 is a wasteful number, since it uses less digits than its factorization.
40705007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109777.
The product of its (nonzero) digits is 980, while the sum is 23.
The square root of 40705007 is about 6380.0475703556. The cubic root of 40705007 is about 343.9927408555.
The spelling of 40705007 in words is "forty million, seven hundred five thousand, seven".
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