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13897119 = 329159737
BaseRepresentation
bin110101000000…
…110110011111
3222011001021010
4311000312133
512024201434
61213510303
7226060245
oct65006637
928131233
1013897119
117932125
1247a2393
132b57662
141bba795
1513479e9
hexd40d9f

13897119 has 8 divisors (see below), whose sum is σ = 19168560. Its totient is φ = 8945216.

The previous prime is 13897111. The next prime is 13897139. The reversal of 13897119 is 91179831.

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 13897119 - 23 = 13897111 is a prime.

It is a super-2 number, since 2×138971192 = 386259833000322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13897111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79782 + ... + 79955.

It is an arithmetic number, because the mean of its divisors is an integer number (2396070).

Almost surely, 213897119 is an apocalyptic number.

13897119 is a deficient number, since it is larger than the sum of its proper divisors (5271441).

13897119 is a wasteful number, since it uses less digits than its factorization.

13897119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159769.

The product of its digits is 13608, while the sum is 39.

The square root of 13897119 is about 3727.8839842463. The cubic root of 13897119 is about 240.4223985062.

The spelling of 13897119 in words is "thirteen million, eight hundred ninety-seven thousand, one hundred nineteen".

Divisors: 1 3 29 87 159737 479211 4632373 13897119