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13771742 = 27394327
BaseRepresentation
bin110100100010…
…001111011110
3221220200021112
4310202033132
512011143432
61211102022
7225025565
oct64421736
927820245
1013771742
117856a06
124741912
132b1257a
141b86bdc
1513207b2
hexd223de

13771742 has 8 divisors (see below), whose sum is σ = 20940816. Its totient is φ = 6791472.

The previous prime is 13771741. The next prime is 13771757. The reversal of 13771742 is 24717731.

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

It is a junction number, because it is equal to n+sod(n) for n = 13771699 and 13771708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13771741) 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, 47018 + ... + 47309.

It is an arithmetic number, because the mean of its divisors is an integer number (2617602).

Almost surely, 213771742 is an apocalyptic number.

13771742 is a deficient number, since it is larger than the sum of its proper divisors (7169074).

13771742 is an equidigital number, since it uses as much as digits as its factorization.

13771742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94402.

The product of its digits is 8232, while the sum is 32.

The square root of 13771742 is about 3711.0297762212. The cubic root of 13771742 is about 239.6971991444.

The spelling of 13771742 in words is "thirteen million, seven hundred seventy-one thousand, seven hundred forty-two".

Divisors: 1 2 73 146 94327 188654 6885871 13771742