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57353091 = 319117697
BaseRepresentation
bin1101101011001…
…0001110000011
310222220211122120
43122302032003
5104140244331
65405135323
71264331115
oct332621603
9128824576
1057353091
112a413254
121725a543
13bb61253
14788d3b5
15507d796
hex36b2383

57353091 has 4 divisors (see below), whose sum is σ = 76470792. Its totient is φ = 38235392.

The previous prime is 57353089. The next prime is 57353111. The reversal of 57353091 is 19035375.

57353091 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.

It is a cyclic number.

It is not a de Polignac number, because 57353091 - 21 = 57353089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57352091) 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, 9558846 + ... + 9558851.

It is an arithmetic number, because the mean of its divisors is an integer number (19117698).

Almost surely, 257353091 is an apocalyptic number.

57353091 is a deficient number, since it is larger than the sum of its proper divisors (19117701).

57353091 is a wasteful number, since it uses less digits than its factorization.

57353091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19117700.

The product of its (nonzero) digits is 14175, while the sum is 33.

The square root of 57353091 is about 7573.1823561829. The cubic root of 57353091 is about 385.6431393565.

The spelling of 57353091 in words is "fifty-seven million, three hundred fifty-three thousand, ninety-one".

Divisors: 1 3 19117697 57353091