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57073011 = 319024337
BaseRepresentation
bin1101100110110…
…1110101110011
310222101121110020
43121231311303
5104102314021
65355134523
71262053422
oct331556563
9128347406
1057073011
112a241886
1217144443
13ba93918
1478192b9
1550257c6
hex366dd73

57073011 has 4 divisors (see below), whose sum is σ = 76097352. Its totient is φ = 38048672.

The previous prime is 57073007. The next prime is 57073031. The reversal of 57073011 is 11037075.

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 57073011 - 22 = 57073007 is a prime.

It is a super-2 number, since 2×570730112 = 6514657169212242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57073031) 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, 9512166 + ... + 9512171.

It is an arithmetic number, because the mean of its divisors is an integer number (19024338).

Almost surely, 257073011 is an apocalyptic number.

57073011 is a deficient number, since it is larger than the sum of its proper divisors (19024341).

57073011 is a wasteful number, since it uses less digits than its factorization.

57073011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024340.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 57073011 is about 7554.6681594892. The cubic root of 57073011 is about 385.0143605146.

The spelling of 57073011 in words is "fifty-seven million, seventy-three thousand, eleven".

Divisors: 1 3 19024337 57073011