Search a number
-
+
29845200 = 243527111719
BaseRepresentation
bin111000111011…
…0011011010000
32002011021220210
41301312123100
530120021300
62543404120
7511452150
oct161663320
962137823
1029845200
1115935160
129bb3640
13624c6a8
143d6c760
152948050
hex1c766d0

29845200 has 480 divisors, whose sum is σ = 132848640. Its totient is φ = 5529600.

The previous prime is 29845169. The next prime is 29845213. The reversal of 29845200 is 254892.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1570791 + ... + 1570809.

It is an arithmetic number, because the mean of its divisors is an integer number (276768).

Almost surely, 229845200 is an apocalyptic number.

29845200 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 29845200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66424320).

29845200 is an abundant number, since it is smaller than the sum of its proper divisors (103003440).

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

29845200 is a wasteful number, since it uses less digits than its factorization.

29845200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 29845200 is about 5463.0760565820. The cubic root of 29845200 is about 310.1878847164.

The spelling of 29845200 in words is "twenty-nine million, eight hundred forty-five thousand, two hundred".