Base | Representation |
---|---|
bin | 110101111000… |
… | …1101001111000 |
3 | 1222011101112201 |
4 | 1223301221320 |
5 | 24213042132 |
6 | 2445315544 |
7 | 462100441 |
oct | 153615170 |
9 | 58141481 |
10 | 28252792 |
11 | 14a47817 |
12 | 9565bb4 |
13 | 5b12939 |
14 | 3a762c8 |
15 | 27312e7 |
hex | 1af1a78 |
28252792 has 8 divisors (see below), whose sum is σ = 52974000. Its totient is φ = 14126392.
The previous prime is 28252787. The next prime is 28252837. The reversal of 28252792 is 29725282.
It is a tau number, because it is divible by the number of its divisors (8).
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765792 + ... + 1765807.
It is an arithmetic number, because the mean of its divisors is an integer number (6621750).
Almost surely, 228252792 is an apocalyptic number.
It is an amenable number.
28252792 is a deficient number, since it is larger than the sum of its proper divisors (24721208).
28252792 is a wasteful number, since it uses less digits than its factorization.
28252792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3531605 (or 3531601 counting only the distinct ones).
The product of its digits is 40320, while the sum is 37.
The square root of 28252792 is about 5315.3355491446. The cubic root of 28252792 is about 304.5700005247.
The spelling of 28252792 in words is "twenty-eight million, two hundred fifty-two thousand, seven hundred ninety-two".
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