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1338897 = 37103619
BaseRepresentation
bin101000110111000010001
32112000121210
411012320101
5320321042
644410333
714244330
oct5067021
92460553
101338897
11834a2a
125469a9
1337b561
1426bd17
151b6a9c
hex146e11

1338897 has 16 divisors (see below), whose sum is σ = 2063360. Its totient is φ = 756432.

The previous prime is 1338881. The next prime is 1338907. The reversal of 1338897 is 7988331.

It is not a de Polignac number, because 1338897 - 24 = 1338881 is a prime.

It is a Duffinian number.

1338897 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (128960).

21338897 is an apocalyptic number.

It is an amenable number.

1338897 is a deficient number, since it is larger than the sum of its proper divisors (724463).

1338897 is a wasteful number, since it uses less digits than its factorization.

1338897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 36288, while the sum is 39.

The square root of 1338897 is about 1157.1071687618. The cubic root of 1338897 is about 110.2171193745.

The spelling of 1338897 in words is "one million, three hundred thirty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 7 21 103 309 619 721 1857 2163 4333 12999 63757 191271 446299 1338897