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57259141 = 193013639
BaseRepresentation
bin1101101001101…
…1010010000101
310222202001202221
43122123102011
5104124243031
65403132341
71263460162
oct332332205
9128661687
1057259141
112a359705
12172140b1
13bb2a564
147867069
155060a11
hex369b485

57259141 has 4 divisors (see below), whose sum is σ = 60272800. Its totient is φ = 54245484.

The previous prime is 57259063. The next prime is 57259151. The reversal of 57259141 is 14195275.

57259141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57259141 - 215 = 57226373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57259097 and 57259106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57259151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506801 + ... + 1506838.

It is an arithmetic number, because the mean of its divisors is an integer number (15068200).

Almost surely, 257259141 is an apocalyptic number.

It is an amenable number.

57259141 is a deficient number, since it is larger than the sum of its proper divisors (3013659).

57259141 is a wasteful number, since it uses less digits than its factorization.

57259141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013658.

The product of its digits is 12600, while the sum is 34.

The square root of 57259141 is about 7566.9770053833. The cubic root of 57259141 is about 385.4324504832.

The spelling of 57259141 in words is "fifty-seven million, two hundred fifty-nine thousand, one hundred forty-one".

Divisors: 1 19 3013639 57259141