Base | Representation |
---|---|
bin | 110100100011… |
… | …000100100110 |
3 | 221220211221110 |
4 | 310203010212 |
5 | 12011301032 |
6 | 1211125450 |
7 | 225041523 |
oct | 64430446 |
9 | 27824843 |
10 | 13775142 |
11 | 7859517 |
12 | 4743886 |
13 | 2b13c94 |
14 | 1b8814a |
15 | 13217cc |
hex | d23126 |
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".
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