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57133006 = 279774177
BaseRepresentation
bin1101100111110…
…0011111001110
310222111122202021
43121330133032
5104111224011
65400320354
71262423350
oct331743716
9128448667
1057133006
112a282967
12171730ba
13bab5018
1478330d0
155038471
hex367c7ce

57133006 has 16 divisors (see below), whose sum is σ = 98066016. Its totient is φ = 24454656.

The previous prime is 57133003. The next prime is 57133079. The reversal of 57133006 is 60033175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57133001) 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 7 ways as a sum of consecutive naturals, for example, 11590 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (6129126).

Almost surely, 257133006 is an apocalyptic number.

57133006 is a deficient number, since it is larger than the sum of its proper divisors (40933010).

57133006 is a wasteful number, since it uses less digits than its factorization.

57133006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 57133006 is about 7558.6378402461. The cubic root of 57133006 is about 385.1492219668.

The spelling of 57133006 in words is "fifty-seven million, one hundred thirty-three thousand, six".

Divisors: 1 2 7 14 977 1954 4177 6839 8354 13678 29239 58478 4080929 8161858 28566503 57133006