Base | Representation |
---|---|
bin | 1010011110001100110110 |
3 | 12011110121221 |
4 | 22132030312 |
5 | 1200321032 |
6 | 134500554 |
7 | 32222221 |
oct | 12361466 |
9 | 5143557 |
10 | 2745142 |
11 | 1605514 |
12 | b0475a |
13 | 75165a |
14 | 5165b8 |
15 | 393597 |
hex | 29e336 |
2745142 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1295272.
The previous prime is 2745131. The next prime is 2745151. The reversal of 2745142 is 2415472.
It is a nialpdrome in base 7.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3459 + ... + 4177.
It is an arithmetic number, because the mean of its divisors is an integer number (272160).
22745142 is an apocalyptic number.
2745142 is a deficient number, since it is larger than the sum of its proper divisors (1609418).
2745142 is a wasteful number, since it uses less digits than its factorization.
2745142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 827.
The product of its digits is 2240, while the sum is 25.
The square root of 2745142 is about 1656.8470056104. The cubic root of 2745142 is about 140.0194190750.
The spelling of 2745142 in words is "two million, seven hundred forty-five thousand, one hundred forty-two".
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