Base | Representation |
---|---|
bin | 110110011010… |
… | …0100111001000 |
3 | 1222200022202100 |
4 | 1230310213020 |
5 | 24300331143 |
6 | 2455233400 |
7 | 464322144 |
oct | 154644710 |
9 | 58608670 |
10 | 28527048 |
11 | 15114880 |
12 | 9678860 |
13 | 5baa714 |
14 | 3b08224 |
15 | 27876d3 |
hex | 1b349c8 |
28527048 has 96 divisors (see below), whose sum is σ = 85176000. Its totient is φ = 8553600.
The previous prime is 28527047. The next prime is 28527053. The reversal of 28527048 is 84072582.
It is a happy number.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
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 (28527041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143253 + ... + 143451.
It is an arithmetic number, because the mean of its divisors is an integer number (887250).
Almost surely, 228527048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28527048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42588000).
28527048 is an abundant number, since it is smaller than the sum of its proper divisors (56648952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28527048 is a wasteful number, since it uses less digits than its factorization.
28527048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 28527048 is about 5341.0718025505. The cubic root of 28527048 is about 305.5523378516.
It can be divided in two parts, 28 and 527048, that added together give a square (527076 = 7262).
The spelling of 28527048 in words is "twenty-eight million, five hundred twenty-seven thousand, forty-eight".
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