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57430337 = 241723761
BaseRepresentation
bin1101101100010…
…1000101000001
311000001202121112
43123011011001
5104200232322
65410533105
71265102246
oct333050501
9130052545
1057430337
112a466298
1217297195
13bb8a463
1478ad5cd
1550965e2
hex36c5141

57430337 has 4 divisors (see below), whose sum is σ = 57456516. Its totient is φ = 57404160.

The previous prime is 57430313. The next prime is 57430339. The reversal of 57430337 is 73303475.

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 46730896 + 10699441 = 6836^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 57430337 - 220 = 56381761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57430339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9464 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (14364129).

Almost surely, 257430337 is an apocalyptic number.

It is an amenable number.

57430337 is a deficient number, since it is larger than the sum of its proper divisors (26179).

57430337 is a wasteful number, since it uses less digits than its factorization.

57430337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26178.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 57430337 is about 7578.2806097426. The cubic root of 57430337 is about 385.8161961496.

The spelling of 57430337 in words is "fifty-seven million, four hundred thirty thousand, three hundred thirty-seven".

Divisors: 1 2417 23761 57430337