Base | Representation |
---|---|
bin | 1101110001001… |
… | …0000101001101 |
3 | 11000122210021011 |
4 | 3130102011031 |
5 | 104240330431 |
6 | 5421405221 |
7 | 1300554634 |
oct | 334220515 |
9 | 130583234 |
10 | 57745741 |
11 | 2a661259 |
12 | 17409811 |
13 | bc6aba1 |
14 | 795251b |
15 | 5109cb1 |
hex | 371214d |
57745741 has 2 divisors, whose sum is σ = 57745742. Its totient is φ = 57745740.
The previous prime is 57745739. The next prime is 57745763. The reversal of 57745741 is 14754775.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 57608100 + 137641 = 7590^2 + 371^2 .
It is a cyclic number.
It is not a de Polignac number, because 57745741 - 21 = 57745739 is a prime.
It is a super-4 number, since 4×577457414 (a number of 32 digits) contains 4444 as substring.
Together with 57745739, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 57745694 and 57745703.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57745771) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28872870 + 28872871.
It is an arithmetic number, because the mean of its divisors is an integer number (28872871).
Almost surely, 257745741 is an apocalyptic number.
It is an amenable number.
57745741 is a deficient number, since it is larger than the sum of its proper divisors (1).
57745741 is an equidigital number, since it uses as much as digits as its factorization.
57745741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 137200, while the sum is 40.
The square root of 57745741 is about 7599.0618499917. The cubic root of 57745741 is about 386.5212003185.
The spelling of 57745741 in words is "fifty-seven million, seven hundred forty-five thousand, seven hundred forty-one".
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