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139219327 = 13219191227
BaseRepresentation
bin10000100110001…
…01000101111111
3100200222002000101
420103011011333
5241120004302
621451541531
73310226152
oct1023050577
9320862011
10139219327
11716495a5
123a75a8a7
1322ac5c00
14146bdc99
15c350287
hex84c517f

139219327 has 24 divisors (see below), whose sum is σ = 160220160. Its totient is φ = 120575520.

The previous prime is 139219321. The next prime is 139219331. The reversal of 139219327 is 723912931.

It is a happy number.

139219327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139219327 - 23 = 139219319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139219321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613188 + ... + 613414.

It is an arithmetic number, because the mean of its divisors is an integer number (6675840).

Almost surely, 2139219327 is an apocalyptic number.

139219327 is a deficient number, since it is larger than the sum of its proper divisors (21000833).

139219327 is a wasteful number, since it uses less digits than its factorization.

139219327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 450 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 139219327 is about 11799.1239929073. The cubic root of 139219327 is about 518.2824582659.

The spelling of 139219327 in words is "one hundred thirty-nine million, two hundred nineteen thousand, three hundred twenty-seven".

Divisors: 1 13 19 169 191 227 247 2483 2951 3211 3629 4313 32279 38363 43357 47177 56069 563641 613301 728897 823783 7327333 10709179 139219327