Base | Representation |
---|---|
bin | 10011000001111110010100 |
3 | 100101110101010 |
4 | 103001332110 |
5 | 2234120240 |
6 | 254532220 |
7 | 60255444 |
oct | 23017624 |
9 | 10343333 |
10 | 4988820 |
11 | 28a81a1 |
12 | 1807070 |
13 | 1058985 |
14 | 93c124 |
15 | 688280 |
hex | 4c1f94 |
4988820 has 96 divisors (see below), whose sum is σ = 15216768. Its totient is φ = 1216512.
The previous prime is 4988761. The next prime is 4988831. The reversal of 4988820 is 288894.
4988820 = T185 + T186 + ... + T330.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68304 + ... + 68376.
It is an arithmetic number, because the mean of its divisors is an integer number (158508).
Almost surely, 24988820 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 4988820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7608384).
4988820 is an abundant number, since it is smaller than the sum of its proper divisors (10227948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4988820 is a wasteful number, since it uses less digits than its factorization.
4988820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169 (or 167 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 4988820 is about 2233.5666544789. The cubic root of 4988820 is about 170.8700493494.
The spelling of 4988820 in words is "four million, nine hundred eighty-eight thousand, eight hundred twenty".
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