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13775142 = 23612617
BaseRepresentation
bin110100100011…
…000100100110
3221220211221110
4310203010212
512011301032
61211125450
7225041523
oct64430446
927824843
1013775142
117859517
124743886
132b13c94
141b8814a
1513217cc
hexd23126

13775142 has 24 divisors (see below), whose sum is σ = 28054728. Its totient is φ = 4509120.

The previous prime is 13775107. The next prime is 13775147. The reversal of 13775142 is 24157731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22018 + ... + 22634.

It is an arithmetic number, because the mean of its divisors is an integer number (1168947).

Almost surely, 213775142 is an apocalyptic number.

13775142 is an abundant number, since it is smaller than the sum of its proper divisors (14279586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13775142 is an equidigital number, since it uses as much as digits as its factorization.

13775142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 683 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 13775142 is about 3711.4878418230. The cubic root of 13775142 is about 239.7169231904.

The spelling of 13775142 in words is "thirteen million, seven hundred seventy-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 61 122 183 366 617 1234 1851 3702 3721 7442 11163 22326 37637 75274 112911 225822 2295857 4591714 6887571 13775142