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381325201 = 596463139
BaseRepresentation
bin10110101110101…
…000111110010001
3222120112022211121
4112232220332101
51240104401301
6101501042241
712310132165
oct2656507621
9876468747
10381325201
111862802a4
12a7856381
136100341a
1438902ca5
15237253a1
hex16ba8f91

381325201 has 4 divisors (see below), whose sum is σ = 387788400. Its totient is φ = 374862004.

The previous prime is 381325199. The next prime is 381325223. The reversal of 381325201 is 102523183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 381325201 - 21 = 381325199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381325271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231511 + ... + 3231628.

It is an arithmetic number, because the mean of its divisors is an integer number (96947100).

Almost surely, 2381325201 is an apocalyptic number.

It is an amenable number.

381325201 is a deficient number, since it is larger than the sum of its proper divisors (6463199).

381325201 is an equidigital number, since it uses as much as digits as its factorization.

381325201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463198.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 381325201 is about 19527.5497950972. The cubic root of 381325201 is about 725.1566532675.

Adding to 381325201 its reverse (102523183), we get a palindrome (483848384).

The spelling of 381325201 in words is "three hundred eighty-one million, three hundred twenty-five thousand, two hundred one".

Divisors: 1 59 6463139 381325201