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57135001 = 7114991487
BaseRepresentation
bin1101100111110…
…0111110011001
310222111202111011
43121330332121
5104111310001
65400333521
71262432230
oct331747631
9128452434
1057135001
112a284410
12171742a1
13bab5bc1
147833b17
155038d51
hex367cf99

57135001 has 16 divisors (see below), whose sum is σ = 71424000. Its totient is φ = 44401680.

The previous prime is 57134971. The next prime is 57135019. The reversal of 57135001 is 10053175.

It is a cyclic number.

It is not a de Polignac number, because 57135001 - 211 = 57132953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57135031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37680 + ... + 39166.

It is an arithmetic number, because the mean of its divisors is an integer number (4464000).

Almost surely, 257135001 is an apocalyptic number.

It is an amenable number.

57135001 is a deficient number, since it is larger than the sum of its proper divisors (14288999).

57135001 is a wasteful number, since it uses less digits than its factorization.

57135001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 57135001 is about 7558.7698073165. The cubic root of 57135001 is about 385.1537048615.

Adding to 57135001 its reverse (10053175), we get a palindrome (67188176).

The spelling of 57135001 in words is "fifty-seven million, one hundred thirty-five thousand, one".

Divisors: 1 7 11 77 499 1487 3493 5489 10409 16357 38423 114499 742013 5194091 8162143 57135001