Base | Representation |
---|---|
bin | 110101011011… |
… | …1011111011000 |
3 | 1221201021202000 |
4 | 1222313133120 |
5 | 24132431202 |
6 | 2440241000 |
7 | 460056036 |
oct | 152673730 |
9 | 57637660 |
10 | 28014552 |
11 | 148a4825 |
12 | 9470160 |
13 | 5a5b377 |
14 | 3a13556 |
15 | 26d591c |
hex | 1ab77d8 |
28014552 has 64 divisors (see below), whose sum is σ = 81216000. Its totient is φ = 8930592.
The previous prime is 28014523. The next prime is 28014559. The reversal of 28014552 is 25541082.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28014559) 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, 2149 + ... + 7787.
It is an arithmetic number, because the mean of its divisors is an integer number (1269000).
Almost surely, 228014552 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 28014552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40608000).
28014552 is an abundant number, since it is smaller than the sum of its proper divisors (53201448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28014552 is a wasteful number, since it uses less digits than its factorization.
28014552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5677 (or 5667 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 28014552 is about 5292.8774782721. The cubic root of 28014552 is about 303.7114933659.
The spelling of 28014552 in words is "twenty-eight million, fourteen thousand, five hundred fifty-two".
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