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57535213 = 2314271753
BaseRepresentation
bin1101101101111…
…0101011101101
311000021002110211
43123132223231
5104212111323
65413102421
71266020101
oct333365355
9130232424
1057535213
112a52806a
1217327a11
13bbc6108
1478d9901
1550b770d
hex36deaed

57535213 has 8 divisors (see below), whose sum is σ = 60113088. Its totient is φ = 54963744.

The previous prime is 57535201. The next prime is 57535241. The reversal of 57535213 is 31253575.

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

It is a de Polignac number, because none of the positive numbers 2k-57535213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57535243) 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, 31945 + ... + 33697.

It is an arithmetic number, because the mean of its divisors is an integer number (7514136).

Almost surely, 257535213 is an apocalyptic number.

It is an amenable number.

57535213 is a deficient number, since it is larger than the sum of its proper divisors (2577875).

57535213 is a wasteful number, since it uses less digits than its factorization.

57535213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its digits is 15750, while the sum is 31.

The square root of 57535213 is about 7585.1969651420. The cubic root of 57535213 is about 386.0509051677.

Adding to 57535213 its reverse (31253575), we get a palindrome (88788788).

The spelling of 57535213 in words is "fifty-seven million, five hundred thirty-five thousand, two hundred thirteen".

Divisors: 1 23 1427 1753 32821 40319 2501531 57535213