Base | Representation |
---|---|
bin | 1011101110110… |
… | …0110100001001 |
3 | 10102120211212111 |
4 | 2323230310021 |
5 | 100044020424 |
6 | 4514342321 |
7 | 1135142215 |
oct | 273546411 |
9 | 112524774 |
10 | 49204489 |
11 | 25858074 |
12 | 1458a9a1 |
13 | a26a2a9 |
14 | 676b945 |
15 | 44be194 |
hex | 2eecd09 |
49204489 has 2 divisors, whose sum is σ = 49204490. Its totient is φ = 49204488.
The previous prime is 49204483. The next prime is 49204501. The reversal of 49204489 is 98440294.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41409225 + 7795264 = 6435^2 + 2792^2 .
It is a cyclic number.
It is not a de Polignac number, because 49204489 - 23 = 49204481 is a prime.
It is a super-2 number, since 2×492044892 = 4842163475502242, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (49204481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24602244 + 24602245.
It is an arithmetic number, because the mean of its divisors is an integer number (24602245).
Almost surely, 249204489 is an apocalyptic number.
It is an amenable number.
49204489 is a deficient number, since it is larger than the sum of its proper divisors (1).
49204489 is an equidigital number, since it uses as much as digits as its factorization.
49204489 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 82944, while the sum is 40.
The square root of 49204489 is about 7014.5911498818. The cubic root of 49204489 is about 366.4389038204.
It can be divided in two parts, 4920 and 4489, that added together give a square (9409 = 972).
The spelling of 49204489 in words is "forty-nine million, two hundred four thousand, four hundred eighty-nine".
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