Base | Representation |
---|---|
bin | 110110011101… |
… | …1010011000011 |
3 | 1222201201022200 |
4 | 1230323103003 |
5 | 24302220220 |
6 | 2500004243 |
7 | 464465040 |
oct | 154732303 |
9 | 58651280 |
10 | 28554435 |
11 | 15133408 |
12 | 9690683 |
13 | 5bba020 |
14 | 3b141c7 |
15 | 2790890 |
hex | 1b3b4c3 |
28554435 has 96 divisors (see below), whose sum is σ = 64296960. Its totient is φ = 11384064.
The previous prime is 28554413. The next prime is 28554437. The reversal of 28554435 is 53445582.
28554435 is a `hidden beast` number, since 2 + 85 + 544 + 35 = 666.
It is not a de Polignac number, because 28554435 - 26 = 28554371 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28554435.
It is not an unprimeable number, because it can be changed into a prime (28554437) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77622 + ... + 77988.
It is an arithmetic number, because the mean of its divisors is an integer number (669760).
Almost surely, 228554435 is an apocalyptic number.
28554435 is an abundant number, since it is smaller than the sum of its proper divisors (35742525).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28554435 is a wasteful number, since it uses less digits than its factorization.
28554435 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417 (or 414 counting only the distinct ones).
The product of its digits is 96000, while the sum is 36.
The square root of 28554435 is about 5343.6349987625. The cubic root of 28554435 is about 305.6500870169.
The spelling of 28554435 in words is "twenty-eight million, five hundred fifty-four thousand, four hundred thirty-five".
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