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57438327 = 347939971
BaseRepresentation
bin1101101100011…
…1000001110111
311000002011120110
43123013001313
5104201011302
65411034103
71265134452
oct333070167
9130064513
1057438327
112a4712a1
121729b933
13bb90c9b
1478b2499
155098b6c
hex36c7077

57438327 has 8 divisors (see below), whose sum is σ = 76746240. Its totient is φ = 38211320.

The previous prime is 57438323. The next prime is 57438341. The reversal of 57438327 is 72383475.

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 57438327 - 22 = 57438323 is a prime.

It is a super-2 number, since 2×574383272 = 6598322817117858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57438323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18549 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (9593280).

Almost surely, 257438327 is an apocalyptic number.

57438327 is a deficient number, since it is larger than the sum of its proper divisors (19307913).

57438327 is a wasteful number, since it uses less digits than its factorization.

57438327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40453.

The product of its digits is 141120, while the sum is 39.

The square root of 57438327 is about 7578.8077558413. The cubic root of 57438327 is about 385.8340875558.

The spelling of 57438327 in words is "fifty-seven million, four hundred thirty-eight thousand, three hundred twenty-seven".

Divisors: 1 3 479 1437 39971 119913 19146109 57438327