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381832201 = 7915793061
BaseRepresentation
bin10110110000100…
…100110000001001
3222121111002022101
4112300210300021
51240222112301
6101515553401
712314343262
oct2660446011
9877432271
10381832201
11186597203
12a7a5b861
136115011a
14389d5969
15237c5701
hex16c24c09

381832201 has 8 divisors (see below), whose sum is σ = 387036800. Its totient is φ = 376637040.

The previous prime is 381832169. The next prime is 381832211. The reversal of 381832201 is 102238183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381832201 - 25 = 381832169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381832201.

It is not an unprimeable number, because it can be changed into a prime (381832211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123211 + ... + 126271.

It is an arithmetic number, because the mean of its divisors is an integer number (48379600).

Almost surely, 2381832201 is an apocalyptic number.

It is an amenable number.

381832201 is a deficient number, since it is larger than the sum of its proper divisors (5204599).

381832201 is a wasteful number, since it uses less digits than its factorization.

381832201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 381832201 is about 19540.5271423265. The cubic root of 381832201 is about 725.4778940363.

The spelling of 381832201 in words is "three hundred eighty-one million, eight hundred thirty-two thousand, two hundred one".

Divisors: 1 79 1579 3061 124741 241819 4833319 381832201