Base | Representation |
---|---|
bin | 110111001110… |
… | …0100001111100 |
3 | 2000110221122020 |
4 | 1232130201330 |
5 | 24402441300 |
6 | 2512320140 |
7 | 501044130 |
oct | 156344174 |
9 | 60427566 |
10 | 28952700 |
11 | 15385657 |
12 | 9843050 |
13 | 5cc939a |
14 | 3bb93c0 |
15 | 281d8a0 |
hex | 1b9c87c |
28952700 has 144 divisors (see below), whose sum is σ = 101493504. Its totient is φ = 6220800.
The previous prime is 28952669. The next prime is 28952711. The reversal of 28952700 is 725982.
28952700 = T219 + T220 + ... + T568.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35295 + ... + 36105.
It is an arithmetic number, because the mean of its divisors is an integer number (704816).
Almost surely, 228952700 is an apocalyptic number.
28952700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28952700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50746752).
28952700 is an abundant number, since it is smaller than the sum of its proper divisors (72540804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28952700 is a wasteful number, since it uses less digits than its factorization.
28952700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852 (or 845 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 28952700 is about 5380.7713201733. The cubic root of 28952700 is about 307.0645565167.
The spelling of 28952700 in words is "twenty-eight million, nine hundred fifty-two thousand, seven hundred".
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