Base | Representation |
---|---|
bin | 10010110110010010111101 |
3 | 100022000202121 |
4 | 102312102331 |
5 | 2231102424 |
6 | 253522541 |
7 | 56666134 |
oct | 22662275 |
9 | 10260677 |
10 | 4940989 |
11 | 2875269 |
12 | 17a3451 |
13 | 103cc81 |
14 | 92891b |
15 | 678ee4 |
hex | 4b64bd |
4940989 has 4 divisors (see below), whose sum is σ = 4974300. Its totient is φ = 4907680.
The previous prime is 4940983. The next prime is 4941043. The reversal of 4940989 is 9890494.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2788900 + 2152089 = 1670^2 + 1467^2 .
It is a cyclic number.
It is not a de Polignac number, because 4940989 - 213 = 4932797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4940983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16432 + ... + 16729.
It is an arithmetic number, because the mean of its divisors is an integer number (1243575).
Almost surely, 24940989 is an apocalyptic number.
It is an amenable number.
4940989 is a deficient number, since it is larger than the sum of its proper divisors (33311).
4940989 is a wasteful number, since it uses less digits than its factorization.
4940989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33310.
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 4940989 is about 2222.8335520232. The cubic root of 4940989 is about 170.3222147308.
It can be divided in two parts, 4940 and 989, that added together give a square (5929 = 772).
The spelling of 4940989 in words is "four million, nine hundred forty thousand, nine hundred eighty-nine".
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