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57253803 = 319084601
BaseRepresentation
bin1101101001100…
…1111110101011
310222201210110020
43122121332223
5104124110203
65403051523
71263435465
oct332317653
9128653406
1057253803
112a3556a2
1217210ba3
13bb27cb9
147865135
15505e153
hex3699fab

57253803 has 4 divisors (see below), whose sum is σ = 76338408. Its totient is φ = 38169200.

The previous prime is 57253793. The next prime is 57253811. The reversal of 57253803 is 30835275.

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 57253803 - 29 = 57253291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57253813) 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 3 ways as a sum of consecutive naturals, for example, 9542298 + ... + 9542303.

It is an arithmetic number, because the mean of its divisors is an integer number (19084602).

Almost surely, 257253803 is an apocalyptic number.

57253803 is a deficient number, since it is larger than the sum of its proper divisors (19084605).

57253803 is a wasteful number, since it uses less digits than its factorization.

57253803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19084604.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 57253803 is about 7566.6242803512. The cubic root of 57253803 is about 385.4204727604.

The spelling of 57253803 in words is "fifty-seven million, two hundred fifty-three thousand, eight hundred three".

Divisors: 1 3 19084601 57253803