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13782842 = 2231032909
BaseRepresentation
bin110100100100…
…111100111010
3221221020111122
4310210330322
512012022332
61211225242
7225103133
oct64447472
927836448
1013782842
117864287
124748222
132b17638
141b8ac8a
151323c12
hexd24f3a

13782842 has 16 divisors (see below), whose sum is σ = 21790080. Its totient is φ = 6525552.

The previous prime is 13782841. The next prime is 13782851. The reversal of 13782842 is 24828731.

It is not an unprimeable number, because it can be changed into a prime (13782841) 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 7 ways as a sum of consecutive naturals, for example, 3284 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (1361880).

Almost surely, 213782842 is an apocalyptic number.

13782842 is a deficient number, since it is larger than the sum of its proper divisors (8007238).

13782842 is a wasteful number, since it uses less digits than its factorization.

13782842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037.

The product of its digits is 21504, while the sum is 35.

The square root of 13782842 is about 3712.5250167507. The cubic root of 13782842 is about 239.7615803584.

The spelling of 13782842 in words is "thirteen million, seven hundred eighty-two thousand, eight hundred forty-two".

Divisors: 1 2 23 46 103 206 2369 2909 4738 5818 66907 133814 299627 599254 6891421 13782842