Search a number
-
+
395390117 = 4310389273
BaseRepresentation
bin10111100100010…
…010110010100101
31000112222220021102
4113210102302211
51302204440432
6103122325445
712540521603
oct2744226245
91015886242
10395390117
111932074a1
12b04b9885
1363bb9265
143a724873
1524aa2962
hex17912ca5

395390117 has 8 divisors (see below), whose sum is σ = 408517824. Its totient is φ = 382441248.

The previous prime is 395390113. The next prime is 395390153. The reversal of 395390117 is 711093593.

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 395390117 - 22 = 395390113 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 (395390113) 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, 40208 + ... + 49065.

It is an arithmetic number, because the mean of its divisors is an integer number (51064728).

Almost surely, 2395390117 is an apocalyptic number.

It is an amenable number.

395390117 is a deficient number, since it is larger than the sum of its proper divisors (13127707).

395390117 is a wasteful number, since it uses less digits than its factorization.

395390117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89419.

The product of its (nonzero) digits is 25515, while the sum is 38.

The square root of 395390117 is about 19884.4189505251. The cubic root of 395390117 is about 733.9648636746.

The spelling of 395390117 in words is "three hundred ninety-five million, three hundred ninety thousand, one hundred seventeen".

Divisors: 1 43 103 4429 89273 3838739 9195119 395390117