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57666048 = 293113413
BaseRepresentation
bin1101101111111…
…0101000000000
311000111201221120
43123332220000
5104230303143
65415552240
71300103406
oct333765000
9130451846
1057666048
112a6073a0
121738b680
13bc4082b
147931476
1550e1383
hex36fea00

57666048 has 80 divisors (see below), whose sum is σ = 167641056. Its totient is φ = 17469440.

The previous prime is 57666031. The next prime is 57666071. The reversal of 57666048 is 84066675.

It is a happy number.

57666048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15190 + ... + 18602.

Almost surely, 257666048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57666048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83820528).

57666048 is an abundant number, since it is smaller than the sum of its proper divisors (109975008).

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

57666048 is a wasteful number, since it uses less digits than its factorization.

57666048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3429 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 57666048 is about 7593.8164318082. The cubic root of 57666048 is about 386.3433100566.

The spelling of 57666048 in words is "fifty-seven million, six hundred sixty-six thousand, forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1056 1408 1536 2112 2816 3413 4224 5632 6826 8448 10239 13652 16896 20478 27304 37543 40956 54608 75086 81912 109216 112629 150172 163824 218432 225258 300344 327648 436864 450516 600688 655296 873728 901032 1201376 1310592 1747456 1802064 2402752 2621184 3604128 4805504 5242368 7208256 9611008 14416512 19222016 28833024 57666048