Search a number
-
+
29028 = 2234159
BaseRepresentation
bin111000101100100
31110211010
413011210
51412103
6342220
7150426
oct70544
943733
1029028
111a89a
1214970
131029c
14a816
158903
hex7164

29028 has 24 divisors (see below), whose sum is σ = 70560. Its totient is φ = 9280.

The previous prime is 29027. The next prime is 29033. The reversal of 29028 is 82092.

It is a junction number, because it is equal to n+sod(n) for n = 28995 and 29013.

It is not an unprimeable number, because it can be changed into a prime (29021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (2940).

229028 is an apocalyptic number.

It is an amenable number.

29028 is an abundant number, since it is smaller than the sum of its proper divisors (41532).

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 (35280).

29028 is a wasteful number, since it uses less digits than its factorization.

29028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 105 counting only the distinct ones).

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

The square root of 29028 is about 170.3760546556. The cubic root of 29028 is about 30.7330529925.

The spelling of 29028 in words is "twenty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 41 59 82 118 123 164 177 236 246 354 492 708 2419 4838 7257 9676 14514 29028