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138080419 = 1311054049
BaseRepresentation
bin10000011101011…
…11000010100011
3100121211012201121
420032233002203
5240322033134
621411313111
73264443551
oct1016570243
9317735647
10138080419
1170a40954
123a2ab797
13227b76b9
14144a4bd1
15c1c7ab4
hex83af0a3

138080419 has 4 divisors (see below), whose sum is σ = 139134600. Its totient is φ = 137026240.

The previous prime is 138080399. The next prime is 138080441. The reversal of 138080419 is 914080831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914080831 = 5417168743.

It is a cyclic number.

It is not a de Polignac number, because 138080419 - 217 = 137949347 is a prime.

It is a super-2 number, since 2×1380804192 = 38132404222431122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138080489) 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 3 ways as a sum of consecutive naturals, for example, 526894 + ... + 527155.

It is an arithmetic number, because the mean of its divisors is an integer number (34783650).

Almost surely, 2138080419 is an apocalyptic number.

138080419 is a deficient number, since it is larger than the sum of its proper divisors (1054181).

138080419 is a wasteful number, since it uses less digits than its factorization.

138080419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054180.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 138080419 is about 11750.7624858985. The cubic root of 138080419 is about 516.8652867064.

The spelling of 138080419 in words is "one hundred thirty-eight million, eighty thousand, four hundred nineteen".

Divisors: 1 131 1054049 138080419