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1338197 = 7533607
BaseRepresentation
bin101000110101101010101
32111222122212
411012231111
5320310242
644403205
714242310
oct5065525
92458585
101338197
11834453
12546505
1337b143
1426b977
151b6782
hex146b55

1338197 has 8 divisors (see below), whose sum is σ = 1558656. Its totient is φ = 1125072.

The previous prime is 1338167. The next prime is 1338217. The reversal of 1338197 is 7918331.

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 1338197 - 210 = 1337173 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (194832).

21338197 is an apocalyptic number.

It is an amenable number.

1338197 is a deficient number, since it is larger than the sum of its proper divisors (220459).

1338197 is an equidigital number, since it uses as much as digits as its factorization.

1338197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its digits is 4536, while the sum is 32.

The square root of 1338197 is about 1156.8046507514. The cubic root of 1338197 is about 110.1979081797.

The spelling of 1338197 in words is "one million, three hundred thirty-eight thousand, one hundred ninety-seven".

Divisors: 1 7 53 371 3607 25249 191171 1338197