Base | Representation |
---|---|
bin | 1101110001000… |
… | …1001011111000 |
3 | 11000122121020021 |
4 | 3130101023320 |
5 | 104240221242 |
6 | 5421340224 |
7 | 1300541143 |
oct | 334211370 |
9 | 130577207 |
10 | 57742072 |
11 | 2a659523 |
12 | 17407674 |
13 | bc6930b |
14 | 795105a |
15 | 5108b67 |
hex | 37112f8 |
57742072 has 8 divisors (see below), whose sum is σ = 108266400. Its totient is φ = 28871032.
The previous prime is 57742031. The next prime is 57742117. The reversal of 57742072 is 27024775.
57742072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3608872 + ... + 3608887.
It is an arithmetic number, because the mean of its divisors is an integer number (13533300).
Almost surely, 257742072 is an apocalyptic number.
It is an amenable number.
57742072 is a deficient number, since it is larger than the sum of its proper divisors (50524328).
57742072 is a wasteful number, since it uses less digits than its factorization.
57742072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7217765 (or 7217761 counting only the distinct ones).
The product of its (nonzero) digits is 27440, while the sum is 34.
The square root of 57742072 is about 7598.8204347780. The cubic root of 57742072 is about 386.5130139929.
The spelling of 57742072 in words is "fifty-seven million, seven hundred forty-two thousand, seventy-two".
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