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29100 = 2235297
BaseRepresentation
bin111000110101100
31110220210
413012230
51412400
6342420
7150561
oct70654
943823
1029100
111a955
1214a10
1310326
14a868
158950
hex71ac

29100 has 36 divisors (see below), whose sum is σ = 85064. Its totient is φ = 7680.

The previous prime is 29077. The next prime is 29101. The reversal of 29100 is 192.

It is a happy number.

29100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29101) by changing a digit.

29100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252 + ... + 348.

229100 is an apocalyptic number.

29100 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 29100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42532).

29100 is an abundant number, since it is smaller than the sum of its proper divisors (55964).

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

29100 is a wasteful number, since it uses less digits than its factorization.

29100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 29100 is about 170.5872210923. The cubic root of 29100 is about 30.7584417302.

Adding to 29100 its reverse (192), we get a palindrome (29292).

The spelling of 29100 in words is "twenty-nine thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 97 100 150 194 291 300 388 485 582 970 1164 1455 1940 2425 2910 4850 5820 7275 9700 14550 29100