Base | Representation |
---|---|
bin | 110111001110… |
… | …0001110000010 |
3 | 2000110212220001 |
4 | 1232130032002 |
5 | 24402421201 |
6 | 2512310214 |
7 | 501040330 |
oct | 156341602 |
9 | 60425801 |
10 | 28951426 |
11 | 153846a9 |
12 | 984236a |
13 | 5cc892a |
14 | 3bb8b50 |
15 | 281d301 |
hex | 1b9c382 |
28951426 has 16 divisors (see below), whose sum is σ = 49706496. Its totient is φ = 12388896.
The previous prime is 28951423. The next prime is 28951463. The reversal of 28951426 is 62415982.
It is not an unprimeable number, because it can be changed into a prime (28951423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12015 + ... + 14221.
It is an arithmetic number, because the mean of its divisors is an integer number (3106656).
Almost surely, 228951426 is an apocalyptic number.
28951426 is a deficient number, since it is larger than the sum of its proper divisors (20755070).
28951426 is a wasteful number, since it uses less digits than its factorization.
28951426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3153.
The product of its digits is 34560, while the sum is 37.
The square root of 28951426 is about 5380.6529343566. The cubic root of 28951426 is about 307.0600525501.
It can be divided in two parts, 289 and 51426, that added together give a palindrome (51715).
The spelling of 28951426 in words is "twenty-eight million, nine hundred fifty-one thousand, four hundred twenty-six".
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