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57423208 = 2327725913
BaseRepresentation
bin1101101100001…
…1010101101000
311000001101211111
43123003111220
5104200020313
65410440104
71265042413
oct333032550
9130041744
1057423208
112a4609a7
1217293034
13bb8713b
1478aab7a
15509443d
hex36c3568

57423208 has 16 divisors (see below), whose sum is σ = 108061380. Its totient is φ = 28606848.

The previous prime is 57423181. The next prime is 57423209. The reversal of 57423208 is 80232475.

57423208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56580484 + 842724 = 7522^2 + 918^2 .

It is a super-3 number, since 3×574232083 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 57423208.

It is not an unprimeable number, because it can be changed into a prime (57423209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10741 + ... + 15172.

Almost surely, 257423208 is an apocalyptic number.

It is an amenable number.

57423208 is a deficient number, since it is larger than the sum of its proper divisors (50638172).

57423208 is a wasteful number, since it uses less digits than its factorization.

57423208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26196 (or 26192 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 57423208 is about 7577.8102377930. The cubic root of 57423208 is about 385.8002313151.

The spelling of 57423208 in words is "fifty-seven million, four hundred twenty-three thousand, two hundred eight".

Divisors: 1 2 4 8 277 554 1108 2216 25913 51826 103652 207304 7177901 14355802 28711604 57423208