Base | Representation |
---|---|
bin | 110110000110… |
… | …1010010000010 |
3 | 1222101010202220 |
4 | 1230031102002 |
5 | 24230202304 |
6 | 2451551510 |
7 | 463051401 |
oct | 154152202 |
9 | 58333686 |
10 | 28365954 |
11 | 15014841 |
12 | 95bb596 |
13 | 5b522b6 |
14 | 3aa5638 |
15 | 2754ad9 |
hex | 1b0d482 |
28365954 has 32 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 9282000.
The previous prime is 28365949. The next prime is 28365959. The reversal of 28365954 is 45956382.
It is an interprime number because it is at equal distance from previous prime (28365949) and next prime (28365959).
It is not an unprimeable number, because it can be changed into a prime (28365959) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118567 + ... + 118805.
It is an arithmetic number, because the mean of its divisors is an integer number (1805760).
Almost surely, 228365954 is an apocalyptic number.
28365954 is an abundant number, since it is smaller than the sum of its proper divisors (29418366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28365954 is a wasteful number, since it uses less digits than its factorization.
28365954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526.
The product of its digits is 259200, while the sum is 42.
The square root of 28365954 is about 5325.9697708492. The cubic root of 28365954 is about 304.9760941578.
The spelling of 28365954 in words is "twenty-eight million, three hundred sixty-five thousand, nine hundred fifty-four".
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