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4030 = 251331
BaseRepresentation
bin111110111110
312112021
4332332
5112110
630354
714515
oct7676
95467
104030
113034
1223ba
131ab0
14167c
1512da
hexfbe

4030 has 16 divisors (see below), whose sum is σ = 8064. Its totient is φ = 1440.

The previous prime is 4027. The next prime is 4049. The reversal of 4030 is 304.

Adding to 4030 its reverse (304), we get a palindrome (4334).

4030 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

4030 is an admirable number.

4030 is an undulating number in base 8.

It is a plaindrome in base 14.

It is a congruent number.

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, 115 + ... + 145.

It is an arithmetic number, because the mean of its divisors is an integer number (504).

4030 is the 52-nd pentagonal number.

4030 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4032).

4030 is a wasteful number, since it uses less digits than its factorization.

4030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 4030 is about 63.4822809924. The cubic root of 4030 is about 15.9135967447.

The spelling of 4030 in words is "four thousand, thirty", and thus it is an eban number.

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 806 2015 4030