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57125384 = 237140673
BaseRepresentation
bin1101100111101…
…0101000001000
310222111021021222
43121322220020
5104111003014
65400221212
71262362211
oct331725010
9128437258
1057125384
112a278168
121716a808
13bab1704
147830408
15503608e
hex367aa08

57125384 has 8 divisors (see below), whose sum is σ = 107110110. Its totient is φ = 28562688.

The previous prime is 57125357. The next prime is 57125401. The reversal of 57125384 is 48352175.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29268100 + 27857284 = 5410^2 + 5278^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570329 + ... + 3570344.

Almost surely, 257125384 is an apocalyptic number.

It is an amenable number.

57125384 is a deficient number, since it is larger than the sum of its proper divisors (49984726).

57125384 is a wasteful number, since it uses less digits than its factorization.

57125384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140679 (or 7140675 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 57125384 is about 7558.1336320549. The cubic root of 57125384 is about 385.1320938761.

The spelling of 57125384 in words is "fifty-seven million, one hundred twenty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 7140673 14281346 28562692 57125384