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396380101 = 1389342593
BaseRepresentation
bin10111101000000…
…100011111000101
31000121212012021111
4113220010133011
51302433130401
6103155445021
712552114055
oct2750043705
91017765244
10396380101
11193823267
12b08b6771
1364174a50
143a901565
1524beae51
hex17a047c5

396380101 has 8 divisors (see below), whose sum is σ = 431668440. Its totient is φ = 361777152.

The previous prime is 396380077. The next prime is 396380111. The reversal of 396380101 is 101083693.

It can be written as a sum of positive squares in 4 ways, for example, as 42902500 + 353477601 = 6550^2 + 18801^2 .

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 396380101 - 211 = 396378053 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 (396380111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170140 + ... + 172453.

It is an arithmetic number, because the mean of its divisors is an integer number (53958555).

Almost surely, 2396380101 is an apocalyptic number.

It is an amenable number.

396380101 is a deficient number, since it is larger than the sum of its proper divisors (35288339).

396380101 is a wasteful number, since it uses less digits than its factorization.

396380101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342695.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 396380101 is about 19909.2968484575. The cubic root of 396380101 is about 734.5769240567.

The spelling of 396380101 in words is "three hundred ninety-six million, three hundred eighty thousand, one hundred one".

Divisors: 1 13 89 1157 342593 4453709 30490777 396380101