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4881128 = 237101863
BaseRepresentation
bin10010100111101011101000
3100011222122112
4102213223220
52222144003
6252341452
756326460
oct22475350
910158575
104881128
11283429a
121774888
13101b955
14910ba0
156663d8
hex4a7ae8

4881128 has 32 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 2068800.

The previous prime is 4881127. The next prime is 4881131. The reversal of 4881128 is 8211884.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4881094 and 4881103.

It is not an unprimeable number, because it can be changed into a prime (4881127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 24881128 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 4881128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287680).

4881128 is an abundant number, since it is smaller than the sum of its proper divisors (5694232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4881128 is a wasteful number, since it uses less digits than its factorization.

4881128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 973 counting only the distinct ones).

The product of its digits is 4096, while the sum is 32.

The square root of 4881128 is about 2209.3274994894. The cubic root of 4881128 is about 169.6315897310.

The spelling of 4881128 in words is "four million, eight hundred eighty-one thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 101 202 404 707 808 863 1414 1726 2828 3452 5656 6041 6904 12082 24164 48328 87163 174326 348652 610141 697304 1220282 2440564 4881128