Base | Representation |
---|---|
bin | 111000000010000… |
… | …101000001111011 |
3 | 2102111220110012220 |
4 | 320002011001323 |
5 | 3411124201422 |
6 | 233140535123 |
7 | 32203311624 |
oct | 7002050173 |
9 | 2374813186 |
10 | 940068987 |
11 | 44270a820 |
12 | 2229b14a3 |
13 | 11c9b5750 |
14 | 8cbcaa4b |
15 | 577e3e5c |
hex | 3808507b |
940068987 has 32 divisors (see below), whose sum is σ = 1496737536. Its totient is φ = 517276800.
The previous prime is 940068923. The next prime is 940069019. The reversal of 940068987 is 789860049.
It is a happy number.
It is not a de Polignac number, because 940068987 - 26 = 940068923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (940068487) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8208 + ... + 44130.
It is an arithmetic number, because the mean of its divisors is an integer number (46773048).
Almost surely, 2940068987 is an apocalyptic number.
940068987 is a deficient number, since it is larger than the sum of its proper divisors (556668549).
940068987 is a wasteful number, since it uses less digits than its factorization.
940068987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36011.
The product of its (nonzero) digits is 870912, while the sum is 51.
The square root of 940068987 is about 30660.5444667899. The cubic root of 940068987 is about 979.6100722098.
It can be divided in two parts, 9400 and 68987, that added together give a palindrome (78387).
The spelling of 940068987 in words is "nine hundred forty million, sixty-eight thousand, nine hundred eighty-seven".
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