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57740377 is a prime number
BaseRepresentation
bin1101110001000…
…0110001011001
311000122111220111
43130100301121
5104240143002
65421324321
71300533202
oct334206131
9130574814
1057740377
112a658222
12174066a1
13bc68606
1479505a9
1551083d7
hex3710c59

57740377 has 2 divisors, whose sum is σ = 57740378. Its totient is φ = 57740376.

The previous prime is 57740369. The next prime is 57740407. The reversal of 57740377 is 77304775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57592921 + 147456 = 7589^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 57740377 - 23 = 57740369 is a prime.

It is a super-2 number, since 2×577403772 = 6667902272204258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57740777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28870188 + 28870189.

It is an arithmetic number, because the mean of its divisors is an integer number (28870189).

Almost surely, 257740377 is an apocalyptic number.

It is an amenable number.

57740377 is a deficient number, since it is larger than the sum of its proper divisors (1).

57740377 is an equidigital number, since it uses as much as digits as its factorization.

57740377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 57740377 is about 7598.7089034914. The cubic root of 57740377 is about 386.5092319674.

The spelling of 57740377 in words is "fifty-seven million, seven hundred forty thousand, three hundred seventy-seven".