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57430432 = 259911811
BaseRepresentation
bin1101101100010…
…1000110100000
311000001202202001
43123011012200
5104200233212
65410533344
71265102443
oct333050640
9130052661
1057430432
112a466374
1217297254
13bb8a507
1478ad65a
155096657
hex36c51a0

57430432 has 24 divisors (see below), whose sum is σ = 113242752. Its totient is φ = 28670400.

The previous prime is 57430427. The next prime is 57430433. The reversal of 57430432 is 23403475.

It is a self number, because there is not a number n which added to its sum of digits gives 57430432.

It is not an unprimeable number, because it can be changed into a prime (57430433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30807 + ... + 32617.

It is an arithmetic number, because the mean of its divisors is an integer number (4718448).

Almost surely, 257430432 is an apocalyptic number.

It is an amenable number.

57430432 is a deficient number, since it is larger than the sum of its proper divisors (55812320).

57430432 is a wasteful number, since it uses less digits than its factorization.

57430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 57430432 is about 7578.2868776525. The cubic root of 57430432 is about 385.8164088857.

The spelling of 57430432 in words is "fifty-seven million, four hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 991 1811 1982 3622 3964 7244 7928 14488 15856 28976 31712 57952 1794701 3589402 7178804 14357608 28715216 57430432