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397342106 = 271271991123
BaseRepresentation
bin10111101011101…
…111010110011010
31000200200001220022
4113223233112122
51303204421411
6103232230442
712563231540
oct2753572632
91020601808
10397342106
11194320007
12b109b422
1364420895
143aab1d90
1524d3aedb
hex17aef59a

397342106 has 32 divisors (see below), whose sum is σ = 690585600. Its totient is φ = 167949936.

The previous prime is 397342103. The next prime is 397342109. The reversal of 397342106 is 601243793.

It is an interprime number because it is at equal distance from previous prime (397342103) and next prime (397342109).

It is not an unprimeable number, because it can be changed into a prime (397342103) 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, 353261 + ... + 354383.

It is an arithmetic number, because the mean of its divisors is an integer number (21580800).

Almost surely, 2397342106 is an apocalyptic number.

397342106 is a deficient number, since it is larger than the sum of its proper divisors (293243494).

397342106 is a wasteful number, since it uses less digits than its factorization.

397342106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 397342106 is about 19933.4419004847. The cubic root of 397342106 is about 735.1707108066.

Adding to 397342106 its reverse (601243793), we get a palindrome (998585899).

The spelling of 397342106 in words is "three hundred ninety-seven million, three hundred forty-two thousand, one hundred six".

Divisors: 1 2 7 14 127 199 254 398 889 1123 1393 1778 2246 2786 7861 15722 25273 50546 142621 176911 223477 285242 353822 446954 998347 1564339 1996694 3128678 28381579 56763158 198671053 397342106