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29905200 = 2434521371
BaseRepresentation
bin111001000010…
…1000100110000
32002021100020000
41302011010300
530123431300
62544550000
7512122113
oct162050460
962240200
1029905200
1115976246
12a022300
136270ab0
143d8657a
15295ac00
hex1c85130

29905200 has 300 divisors, whose sum is σ = 117211248. Its totient is φ = 7257600.

The previous prime is 29905199. The next prime is 29905217. The reversal of 29905200 is 250992.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 421165 + ... + 421235.

Almost surely, 229905200 is an apocalyptic number.

29905200 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 29905200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58605624).

29905200 is an abundant number, since it is smaller than the sum of its proper divisors (87306048).

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

29905200 is a wasteful number, since it uses less digits than its factorization.

29905200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 29905200 is about 5468.5647111468. The cubic root of 29905200 is about 310.3956100807.

The spelling of 29905200 in words is "twenty-nine million, nine hundred five thousand, two hundred".