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139756414 = 279982601
BaseRepresentation
bin10000101010010…
…00001101111110
3100201222100202111
420111020031332
5241234201124
621511244234
73314624050
oct1025101576
9321870674
10139756414
1171986076
123a97967a
1322c53505
14147bd8d0
15c409494
hex854837e

139756414 has 8 divisors (see below), whose sum is σ = 239582448. Its totient is φ = 59895600.

The previous prime is 139756403. The next prime is 139756417. The reversal of 139756414 is 414657931.

139756414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139756417) 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, 4991287 + ... + 4991314.

It is an arithmetic number, because the mean of its divisors is an integer number (29947806).

Almost surely, 2139756414 is an apocalyptic number.

139756414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139756414 is a deficient number, since it is larger than the sum of its proper divisors (99826034).

139756414 is an equidigital number, since it uses as much as digits as its factorization.

139756414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982610.

The product of its digits is 90720, while the sum is 40.

The square root of 139756414 is about 11821.8616977192. The cubic root of 139756414 is about 518.9480880111.

The spelling of 139756414 in words is "one hundred thirty-nine million, seven hundred fifty-six thousand, four hundred fourteen".

Divisors: 1 2 7 14 9982601 19965202 69878207 139756414