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13142056 = 233075351
BaseRepresentation
bin110010001000…
…100000101000
3220201200111211
4302020200220
511331021211
61145402504
7216464014
oct62104050
926650454
1013142056
117466904
124499434
132951a85
141a61544
151248e21
hexc88828

13142056 has 16 divisors (see below), whose sum is σ = 24726240. Its totient is φ = 6548400.

The previous prime is 13142027. The next prime is 13142057. The reversal of 13142056 is 65024131.

It is not an unprimeable number, because it can be changed into a prime (13142057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (1545390).

Almost surely, 213142056 is an apocalyptic number.

It is an amenable number.

13142056 is a deficient number, since it is larger than the sum of its proper divisors (11584184).

13142056 is a wasteful number, since it uses less digits than its factorization.

13142056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664 (or 5660 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13142056 is about 3625.1973739370. The cubic root of 13142056 is about 235.9868325508.

Adding to 13142056 its reverse (65024131), we get a palindrome (78166187).

The spelling of 13142056 in words is "thirteen million, one hundred forty-two thousand, fifty-six".

Divisors: 1 2 4 8 307 614 1228 2456 5351 10702 21404 42808 1642757 3285514 6571028 13142056