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4890 = 235163
BaseRepresentation
bin1001100011010
320201010
41030122
5124030
634350
720154
oct11432
96633
104890
113746
1229b6
1322c2
1516b0
hex131a

4890 has 16 divisors (see below), whose sum is σ = 11808. Its totient is φ = 1296.

The previous prime is 4889. The next prime is 4903. The reversal of 4890 is 984.

4890 = 16 + 26 + ... + 46.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 111.

It is an arithmetic number, because the mean of its divisors is an integer number (738).

24890 is an apocalyptic number.

4890 is an abundant number, since it is smaller than the sum of its proper divisors (6918).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5904).

4890 is a wasteful number, since it uses less digits than its factorization.

4890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 4890 is about 69.9285349482. The cubic root of 4890 is about 16.9734302367.

The spelling of 4890 in words is "four thousand, eight hundred ninety".