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57568768 = 29229491
BaseRepresentation
bin1101101110011…
…0111000000000
311000022210111121
43123212320000
5104214200033
65413522024
71266216655
oct333467000
9130283447
1057568768
112a5502a4
1217343314
13bc0847a
147907c2c
1550c262d
hex36e6e00

57568768 has 40 divisors (see below), whose sum is σ = 115762680. Its totient is φ = 28600320.

The previous prime is 57568739. The next prime is 57568769. The reversal of 57568768 is 86786575.

It is a super-3 number, since 3×575687683 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57568769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117003 + ... + 117493.

It is an arithmetic number, because the mean of its divisors is an integer number (2894067).

Almost surely, 257568768 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 57568768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57881340).

57568768 is an abundant number, since it is smaller than the sum of its proper divisors (58193912).

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

57568768 is an equidigital number, since it uses as much as digits as its factorization.

57568768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 722 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 52.

The square root of 57568768 is about 7587.4085167467. The cubic root of 57568768 is about 386.1259399159.

The spelling of 57568768 in words is "fifty-seven million, five hundred sixty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 229 256 458 491 512 916 982 1832 1964 3664 3928 7328 7856 14656 15712 29312 31424 58624 62848 112439 117248 125696 224878 251392 449756 899512 1799024 3598048 7196096 14392192 28784384 57568768