Base | Representation |
---|---|
bin | 110110011001… |
… | …1111111001100 |
3 | 1222200012020200 |
4 | 1230303333030 |
5 | 24300240432 |
6 | 2455213500 |
7 | 464311533 |
oct | 154637714 |
9 | 58605220 |
10 | 28524492 |
11 | 15112967 |
12 | 9677290 |
13 | 5ba94c9 |
14 | 3b0731a |
15 | 2786a7c |
hex | 1b33fcc |
28524492 has 36 divisors (see below), whose sum is σ = 72266376. Its totient is φ = 9486720.
The previous prime is 28524467. The next prime is 28524493. The reversal of 28524492 is 29442582.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (28524493) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28708 + ... + 29684.
Almost surely, 228524492 is an apocalyptic number.
It is an amenable number.
28524492 is an abundant number, since it is smaller than the sum of its proper divisors (43741884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28524492 is a wasteful number, since it uses less digits than its factorization.
28524492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1798 (or 1793 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 28524492 is about 5340.8325193737. The cubic root of 28524492 is about 305.5432118332.
The spelling of 28524492 in words is "twenty-eight million, five hundred twenty-four thousand, four hundred ninety-two".
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