Base | Representation |
---|---|
bin | 100010000111… |
… | …010101100101 |
3 | 121211100102100 |
4 | 202013111211 |
5 | 4242133244 |
6 | 515402313 |
7 | 136004511 |
oct | 42072545 |
9 | 17740370 |
10 | 8942949 |
11 | 5058a74 |
12 | 2bb3399 |
13 | 1b116b2 |
14 | 128b141 |
15 | bb9b69 |
hex | 887565 |
8942949 has 12 divisors (see below), whose sum is σ = 13013676. Its totient is φ = 5917632.
The previous prime is 8942909. The next prime is 8942951. The reversal of 8942949 is 9492498.
It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 3038049 = 2430^2 + 1743^2 .
It is not a de Polignac number, because 8942949 - 27 = 8942821 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8942909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2394 + ... + 4859.
It is an arithmetic number, because the mean of its divisors is an integer number (1084473).
Almost surely, 28942949 is an apocalyptic number.
It is an amenable number.
8942949 is a deficient number, since it is larger than the sum of its proper divisors (4070727).
8942949 is a wasteful number, since it uses less digits than its factorization.
8942949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7396 (or 7393 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 8942949 is about 2990.4763834546. The cubic root of 8942949 is about 207.5679285995.
The spelling of 8942949 in words is "eight million, nine hundred forty-two thousand, nine hundred forty-nine".
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