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29028000 = 253534159
BaseRepresentation
bin110111010111…
…0111010100000
32000121202221010
41232232322200
524412344000
62514100520
7501506511
oct156567240
960552833
1029028000
1115427191
12987a740
136024741
143bd8a08
152835d50
hex1baeea0

29028000 has 192 divisors, whose sum is σ = 99066240. Its totient is φ = 7424000.

The previous prime is 29027987. The next prime is 29028011. The reversal of 29028000 is 82092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491971 + ... + 492029.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 229028000 is an apocalyptic number.

29028000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29028000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49533120).

29028000 is an abundant number, since it is smaller than the sum of its proper divisors (70038240).

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

29028000 is a wasteful number, since it uses less digits than its factorization.

29028000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 110 counting only the distinct ones).

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

The square root of 29028000 is about 5387.7639146496. The cubic root of 29028000 is about 307.3305299247.

The spelling of 29028000 in words is "twenty-nine million, twenty-eight thousand".