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396071029 = 4180911941
BaseRepresentation
bin10111100110111…
…001000001110101
31000121021111022101
4113212321001311
51302343233104
6103145102101
712546356014
oct2746710165
91017244271
10396071029
11193632032
12b0787931
1364097173
143a860a7b
1524b895a4
hex179b9075

396071029 has 8 divisors (see below), whose sum is σ = 406266840. Its totient is φ = 385900800.

The previous prime is 396071023. The next prime is 396071057. The reversal of 396071029 is 920170693.

It can be written as a sum of positive squares in 4 ways, for example, as 16016004 + 380055025 = 4002^2 + 19495^2 .

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 396071029 - 27 = 396070901 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 (396071023) 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, 27199 + ... + 39139.

It is an arithmetic number, because the mean of its divisors is an integer number (50783355).

Almost surely, 2396071029 is an apocalyptic number.

It is an amenable number.

396071029 is a deficient number, since it is larger than the sum of its proper divisors (10195811).

396071029 is a wasteful number, since it uses less digits than its factorization.

396071029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 396071029 is about 19901.5333328867. The cubic root of 396071029 is about 734.3859489516.

The spelling of 396071029 in words is "three hundred ninety-six million, seventy-one thousand, twenty-nine".

Divisors: 1 41 809 11941 33169 489581 9660269 396071029