Base | Representation |
---|---|
bin | 1011110000001… |
… | …1101101101001 |
3 | 10102202121112021 |
4 | 2330003231221 |
5 | 100110021111 |
6 | 4520344441 |
7 | 1136012524 |
oct | 274035551 |
9 | 112677467 |
10 | 49298281 |
11 | 2591158a |
12 | 14615121 |
13 | a2a0ba6 |
14 | 6793bbb |
15 | 44dbd71 |
hex | 2f03b69 |
49298281 has 2 divisors, whose sum is σ = 49298282. Its totient is φ = 49298280.
The previous prime is 49298279. The next prime is 49298323. The reversal of 49298281 is 18289294.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 42968025 + 6330256 = 6555^2 + 2516^2 .
It is a cyclic number.
It is not a de Polignac number, because 49298281 - 21 = 49298279 is a prime.
It is a super-2 number, since 2×492982812 = 4860641019109922, which contains 22 as substring.
Together with 49298279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (49298261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24649140 + 24649141.
It is an arithmetic number, because the mean of its divisors is an integer number (24649141).
Almost surely, 249298281 is an apocalyptic number.
It is an amenable number.
49298281 is a deficient number, since it is larger than the sum of its proper divisors (1).
49298281 is an equidigital number, since it uses as much as digits as its factorization.
49298281 is an evil number, because the sum of its binary digits is even.
The product of its digits is 82944, while the sum is 43.
The square root of 49298281 is about 7021.2734599929. The cubic root of 49298281 is about 366.6715873536.
The spelling of 49298281 in words is "forty-nine million, two hundred ninety-eight thousand, two hundred eighty-one".
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