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57477427 = 734723663
BaseRepresentation
bin1101101101000…
…0100100110011
311000011011012121
43123100210303
5104203234202
65411535111
71265356450
oct333204463
9130134177
1057477427
112a498707
12172ba497
13bba5a17
1478c2827
1550a5537
hex36d0933

57477427 has 8 divisors (see below), whose sum is σ = 65880576. Its totient is φ = 49122312.

The previous prime is 57477419. The next prime is 57477443. The reversal of 57477427 is 72477475.

57477427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57477427 - 23 = 57477419 is a prime.

It is a super-2 number, since 2×574774272 = 6607309229080658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57477457) 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 7 ways as a sum of consecutive naturals, for example, 9403 + ... + 14260.

It is an arithmetic number, because the mean of its divisors is an integer number (8235072).

Almost surely, 257477427 is an apocalyptic number.

57477427 is a deficient number, since it is larger than the sum of its proper divisors (8403149).

57477427 is a wasteful number, since it uses less digits than its factorization.

57477427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24017.

The product of its digits is 384160, while the sum is 43.

The square root of 57477427 is about 7581.3868784016. The cubic root of 57477427 is about 385.9216173273.

The spelling of 57477427 in words is "fifty-seven million, four hundred seventy-seven thousand, four hundred twenty-seven".

Divisors: 1 7 347 2429 23663 165641 8211061 57477427