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57330400 = 255271663
BaseRepresentation
bin1101101010110…
…0101011100000
310222212200112011
43122230223200
5104134033100
65404442304
71264205011
oct332545340
9128780464
1057330400
112a3a81a6
1217249394
13bb53b1a
147885008
155076bba
hex36acae0

57330400 has 36 divisors (see below), whose sum is σ = 139959792. Its totient is φ = 22931840.

The previous prime is 57330397. The next prime is 57330407. The reversal of 57330400 is 403375.

57330400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57330407) 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 5 ways as a sum of consecutive naturals, for example, 35032 + ... + 36631.

It is an arithmetic number, because the mean of its divisors is an integer number (3887772).

Almost surely, 257330400 is an apocalyptic number.

57330400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57330400 is an abundant number, since it is smaller than the sum of its proper divisors (82629392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57330400 is a wasteful number, since it uses less digits than its factorization.

57330400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71683 (or 71670 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 57330400 is about 7571.6840927234. The cubic root of 57330400 is about 385.5922744273.

Adding to 57330400 its reverse (403375), we get a palindrome (57733775).

Subtracting from 57330400 its reverse (403375), we obtain a square (56927025 = 75452).

The spelling of 57330400 in words is "fifty-seven million, three hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 71663 143326 286652 358315 573304 716630 1146608 1433260 1791575 2293216 2866520 3583150 5733040 7166300 11466080 14332600 28665200 57330400