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57385427 = 1146711171
BaseRepresentation
bin1101101011101…
…0000111010011
310222222111000012
43122322013103
5104142313202
65405545135
71264524311
oct332720723
9128874005
1057385427
112a435580
12172751ab
13bb72b98
14789b0b1
155088152
hex36ba1d3

57385427 has 8 divisors (see below), whose sum is σ = 62741952. Its totient is φ = 52052200.

The previous prime is 57385417. The next prime is 57385429. The reversal of 57385427 is 72458375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57385427 - 24 = 57385411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57385429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (7842744).

Almost surely, 257385427 is an apocalyptic number.

57385427 is a deficient number, since it is larger than the sum of its proper divisors (5356525).

57385427 is a wasteful number, since it uses less digits than its factorization.

57385427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649.

The product of its digits is 235200, while the sum is 41.

The square root of 57385427 is about 7575.3169570652. The cubic root of 57385427 is about 385.7156016743.

The spelling of 57385427 in words is "fifty-seven million, three hundred eighty-five thousand, four hundred twenty-seven".

Divisors: 1 11 467 5137 11171 122881 5216857 57385427