Base | Representation |
---|---|
bin | 110101011110… |
… | …0011110001111 |
3 | 1221202022201211 |
4 | 1222330132033 |
5 | 24134104314 |
6 | 2440515251 |
7 | 460202401 |
oct | 152743617 |
9 | 57668654 |
10 | 28034959 |
11 | 14909097 |
12 | 947bb27 |
13 | 5a67744 |
14 | 3a1ab71 |
15 | 26db9c4 |
hex | 1abc78f |
28034959 has 2 divisors, whose sum is σ = 28034960. Its totient is φ = 28034958.
The previous prime is 28034957. The next prime is 28034969. The reversal of 28034959 is 95943082.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28034959 - 21 = 28034957 is a prime.
It is a super-2 number, since 2×280349592 = 1571917852263362, which contains 22 as substring.
Together with 28034957, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28034957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14017479 + 14017480.
It is an arithmetic number, because the mean of its divisors is an integer number (14017480).
Almost surely, 228034959 is an apocalyptic number.
28034959 is a deficient number, since it is larger than the sum of its proper divisors (1).
28034959 is an equidigital number, since it uses as much as digits as its factorization.
28034959 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 77760, while the sum is 40.
The square root of 28034959 is about 5294.8049066986. The cubic root of 28034959 is about 303.7852209549.
The spelling of 28034959 in words is "twenty-eight million, thirty-four thousand, nine hundred fifty-nine".
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