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394329061 = 756332723
BaseRepresentation
bin10111100000001…
…111101111100101
31000110222222210001
4113200033233211
51301422012221
6103043501301
712525512260
oct2740175745
91013888701
10394329061
11192652295
12b0087831
1363907309
143a529cd7
1524943391
hex1780fbe5

394329061 has 4 divisors (see below), whose sum is σ = 450661792. Its totient is φ = 337996332.

The previous prime is 394328993. The next prime is 394329073. The reversal of 394329061 is 160923493.

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, and also an emirpimes, since its reverse is a distinct semiprime: 160923493 = 296354311.

It is a cyclic number.

It is not a de Polignac number, because 394329061 - 213 = 394320869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394329061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394329361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28166355 + ... + 28166368.

It is an arithmetic number, because the mean of its divisors is an integer number (112665448).

Almost surely, 2394329061 is an apocalyptic number.

It is an amenable number.

394329061 is a deficient number, since it is larger than the sum of its proper divisors (56332731).

394329061 is an equidigital number, since it uses as much as digits as its factorization.

394329061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56332730.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 394329061 is about 19857.7204381570. The cubic root of 394329061 is about 733.3077274576.

The spelling of 394329061 in words is "three hundred ninety-four million, three hundred twenty-nine thousand, sixty-one".

Divisors: 1 7 56332723 394329061