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57474938 = 231391813
BaseRepresentation
bin1101101100111…
…1111101111010
311000011000210102
43123033331322
5104203144223
65411515402
71265346263
oct333177572
9130130712
1057474938
112a496854
12172b8b62
13bba4851
1478c196a
1550a4928
hex36cff7a

57474938 has 8 divisors (see below), whose sum is σ = 86488788. Its totient is φ = 28645344.

The previous prime is 57474919. The next prime is 57475001. The reversal of 57474938 is 83947475.

It can be written as a sum of positive squares in 2 ways, for example, as 57410929 + 64009 = 7577^2 + 253^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 57474892 and 57474901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45281 + ... + 46532.

Almost surely, 257474938 is an apocalyptic number.

57474938 is a deficient number, since it is larger than the sum of its proper divisors (29013850).

57474938 is a wasteful number, since it uses less digits than its factorization.

57474938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92128.

The product of its digits is 846720, while the sum is 47.

The square root of 57474938 is about 7581.2227246006. Note that the first 3 decimals coincide. The cubic root of 57474938 is about 385.9160466026.

The spelling of 57474938 in words is "fifty-seven million, four hundred seventy-four thousand, nine hundred thirty-eight".

Divisors: 1 2 313 626 91813 183626 28737469 57474938