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139271482 = 2719523577
BaseRepresentation
bin10000100110100…
…01110100111010
3100201001201120001
420103101310322
5241123141412
621453023214
73310534210
oct1023216472
9321051501
10139271482
11716847a9
123a784b0a
1322b1387c
14146d4cb0
15c360957
hex84d1d3a

139271482 has 16 divisors (see below), whose sum is σ = 251317440. Its totient is φ = 56546208.

The previous prime is 139271477. The next prime is 139271513. The reversal of 139271482 is 284172931.

It is an unprimeable number.

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, 261523 + ... + 262054.

It is an arithmetic number, because the mean of its divisors is an integer number (15707340).

Almost surely, 2139271482 is an apocalyptic number.

139271482 is a deficient number, since it is larger than the sum of its proper divisors (112045958).

139271482 is a wasteful number, since it uses less digits than its factorization.

139271482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523605.

The product of its digits is 24192, while the sum is 37.

The square root of 139271482 is about 11801.3339076564. Note that the first 3 decimals coincide. The cubic root of 139271482 is about 518.3471706575.

The spelling of 139271482 in words is "one hundred thirty-nine million, two hundred seventy-one thousand, four hundred eighty-two".

Divisors: 1 2 7 14 19 38 133 266 523577 1047154 3665039 7330078 9947963 19895926 69635741 139271482