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57897814 = 2132226839
BaseRepresentation
bin1101110011011…
…1001101010110
311000221111212111
43130313031112
5104310212224
65424541234
71302060202
oct334671526
9130844774
1057897814
112a755537
121748181a
13bcc2180
147991b02
155139d94
hex3737356

57897814 has 8 divisors (see below), whose sum is σ = 93527280. Its totient is φ = 26722056.

The previous prime is 57897811. The next prime is 57897871. The reversal of 57897814 is 41879875.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57897811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113394 + ... + 1113445.

It is an arithmetic number, because the mean of its divisors is an integer number (11690910).

Almost surely, 257897814 is an apocalyptic number.

57897814 is a deficient number, since it is larger than the sum of its proper divisors (35629466).

57897814 is a wasteful number, since it uses less digits than its factorization.

57897814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226854.

The product of its digits is 564480, while the sum is 49.

The square root of 57897814 is about 7609.0613087292. The cubic root of 57897814 is about 386.8602031865.

The spelling of 57897814 in words is "fifty-seven million, eight hundred ninety-seven thousand, eight hundred fourteen".

Divisors: 1 2 13 26 2226839 4453678 28948907 57897814