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57757045 = 511551409
BaseRepresentation
bin1101110001010…
…0110101110101
311000200100202211
43130110311311
5104241211140
65421533421
71300632613
oct334246565
9130610684
1057757045
112a6697a5
1217414271
13bc73088
1479566b3
15510d2ea
hex3714d75

57757045 has 4 divisors (see below), whose sum is σ = 69308460. Its totient is φ = 46205632.

The previous prime is 57757027. The next prime is 57757079. The reversal of 57757045 is 54075775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22982436 + 34774609 = 4794^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 57757045 - 27 = 57756917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57756989 and 57757007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5775700 + ... + 5775709.

It is an arithmetic number, because the mean of its divisors is an integer number (17327115).

Almost surely, 257757045 is an apocalyptic number.

It is an amenable number.

57757045 is a deficient number, since it is larger than the sum of its proper divisors (11551415).

57757045 is a wasteful number, since it uses less digits than its factorization.

57757045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551414.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 57757045 is about 7599.8055896187. The cubic root of 57757045 is about 386.5464197864.

The spelling of 57757045 in words is "fifty-seven million, seven hundred fifty-seven thousand, forty-five".

Divisors: 1 5 11551409 57757045