Base | Representation |
---|---|
bin | 110110100101… |
… | …1001011100000 |
3 | 1222212000120001 |
4 | 1231023023200 |
5 | 24311310423 |
6 | 2501225344 |
7 | 465155512 |
oct | 155131340 |
9 | 58760501 |
10 | 28619488 |
11 | 15178277 |
12 | 9702254 |
13 | 5c10811 |
14 | 3b2dbb2 |
15 | 27a4cad |
hex | 1b4b2e0 |
28619488 has 24 divisors (see below), whose sum is σ = 57062880. Its totient is φ = 14127360.
The previous prime is 28619471. The next prime is 28619501. The reversal of 28619488 is 88491682.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133 + ... + 8188.
It is an arithmetic number, because the mean of its divisors is an integer number (2377620).
Almost surely, 228619488 is an apocalyptic number.
It is an amenable number.
28619488 is a deficient number, since it is larger than the sum of its proper divisors (28443392).
28619488 is a wasteful number, since it uses less digits than its factorization.
28619488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11410 (or 11402 counting only the distinct ones).
The product of its digits is 221184, while the sum is 46.
The square root of 28619488 is about 5349.7184972669. The cubic root of 28619488 is about 305.8820226705.
The spelling of 28619488 in words is "twenty-eight million, six hundred nineteen thousand, four hundred eighty-eight".
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