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57957040 = 2451913793
BaseRepresentation
bin1101110100010…
…1101010110000
311001001112010001
43131011222300
5104314111130
65430115344
71302424651
oct335055260
9131045101
1057957040
112a795a89
12174abb54
13c01310b
1479a9528
15514c6ca
hex3745ab0

57957040 has 40 divisors (see below), whose sum is σ = 135491328. Its totient is φ = 23055360.

The previous prime is 57957019. The next prime is 57957061. The reversal of 57957040 is 4075975.

57957040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57957019) and next prime (57957061).

It is a tau number, because it is divible by the number of its divisors (40).

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, 13384 + ... + 17176.

Almost surely, 257957040 is an apocalyptic number.

It is an amenable number.

57957040 is an abundant number, since it is smaller than the sum of its proper divisors (77534288).

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

57957040 is a wasteful number, since it uses less digits than its factorization.

57957040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 57957040 is about 7612.9521212208. The cubic root of 57957040 is about 386.9920698475.

The spelling of 57957040 in words is "fifty-seven million, nine hundred fifty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 191 382 764 955 1528 1910 3056 3793 3820 7586 7640 15172 15280 18965 30344 37930 60688 75860 151720 303440 724463 1448926 2897852 3622315 5795704 7244630 11591408 14489260 28978520 57957040