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131683200 = 27352112943
BaseRepresentation
bin1111101100101…
…01001110000000
3100011210012101120
413312111032000
5232202330300
621022232240
73156201015
oct766251600
9304705346
10131683200
11683715a0
1238125680
132138796c
14136bb70c
15b8623a0
hex7d95380

131683200 has 384 divisors, whose sum is σ = 500860800. Its totient is φ = 30105600.

The previous prime is 131683193. The next prime is 131683213. The reversal of 131683200 is 2386131.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 47 ways as a sum of consecutive naturals, for example, 3062379 + ... + 3062421.

It is an arithmetic number, because the mean of its divisors is an integer number (1304325).

Almost surely, 2131683200 is an apocalyptic number.

131683200 is a gapful number since it is divisible by the number (10) 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 131683200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250430400).

131683200 is an abundant number, since it is smaller than the sum of its proper divisors (369177600).

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

131683200 is a wasteful number, since it uses less digits than its factorization.

131683200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 131683200 is about 11475.3300606126. The cubic root of 131683200 is about 508.7566791960.

The spelling of 131683200 in words is "one hundred thirty-one million, six hundred eighty-three thousand, two hundred".