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386204101 = 1912022011
BaseRepresentation
bin10111000001010…
…000000111000101
3222220201012102121
4113001100013011
51242332012401
6102153405541
712366452323
oct2701200705
9886635377
10386204101
11189002948
12a94098b1
136202104a
1439412d13
1523d8aca1
hex170501c5

386204101 has 4 divisors (see below), whose sum is σ = 388226304. Its totient is φ = 384181900.

The previous prime is 386204087. The next prime is 386204129. The reversal of 386204101 is 101402683.

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 386204101 - 25 = 386204069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386204131) 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 3 ways as a sum of consecutive naturals, for example, 1010815 + ... + 1011196.

It is an arithmetic number, because the mean of its divisors is an integer number (97056576).

Almost surely, 2386204101 is an apocalyptic number.

It is an amenable number.

386204101 is a deficient number, since it is larger than the sum of its proper divisors (2022203).

386204101 is a wasteful number, since it uses less digits than its factorization.

386204101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022202.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 386204101 is about 19652.0762516331. The cubic root of 386204101 is about 728.2362505839.

Adding to 386204101 its reverse (101402683), we get a palindrome (487606784).

The spelling of 386204101 in words is "three hundred eighty-six million, two hundred four thousand, one hundred one".

Divisors: 1 191 2022011 386204101