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57488001 = 319162667
BaseRepresentation
bin1101101101001…
…1001010000001
311000011200201020
43123103022001
5104204104001
65412100053
71265432334
oct333231201
9130150636
1057488001
112a4a564a
1217304629
13bbaa78c
1478c661b
1550a8736
hex36d3281

57488001 has 4 divisors (see below), whose sum is σ = 76650672. Its totient is φ = 38325332.

The previous prime is 57487993. The next prime is 57488021. The reversal of 57488001 is 10088475.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57488001 - 23 = 57487993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57488021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9581331 + ... + 9581336.

It is an arithmetic number, because the mean of its divisors is an integer number (19162668).

Almost surely, 257488001 is an apocalyptic number.

It is an amenable number.

57488001 is a deficient number, since it is larger than the sum of its proper divisors (19162671).

57488001 is a wasteful number, since it uses less digits than its factorization.

57488001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19162670.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 57488001 is about 7582.0842121411. The cubic root of 57488001 is about 385.9452816026.

The spelling of 57488001 in words is "fifty-seven million, four hundred eighty-eight thousand, one".

Divisors: 1 3 19162667 57488001