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397315295 = 51353115331
BaseRepresentation
bin10111101011101…
…000110011011111
31000200121201010022
4113223220303133
51303203042140
6103231502355
712563060426
oct2753506337
91020551108
10397315295
11194301953
12b10879bb
1364411610
143aaa62bd
1524d330b5
hex17ae8cdf

397315295 has 16 divisors (see below), whose sum is σ = 523145952. Its totient is φ = 287863680.

The previous prime is 397315291. The next prime is 397315307. The reversal of 397315295 is 592513793.

It is not a de Polignac number, because 397315295 - 22 = 397315291 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 (397315291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54221 + ... + 61110.

It is an arithmetic number, because the mean of its divisors is an integer number (32696622).

Almost surely, 2397315295 is an apocalyptic number.

397315295 is a deficient number, since it is larger than the sum of its proper divisors (125830657).

397315295 is a wasteful number, since it uses less digits than its factorization.

397315295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115402.

The product of its digits is 255150, while the sum is 44.

The square root of 397315295 is about 19932.7693760802. The cubic root of 397315295 is about 735.1541750096.

The spelling of 397315295 in words is "three hundred ninety-seven million, three hundred fifteen thousand, two hundred ninety-five".

Divisors: 1 5 13 53 65 265 689 3445 115331 576655 1499303 6112543 7496515 30562715 79463059 397315295