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57144080 = 2457102043
BaseRepresentation
bin1101100111111…
…1001100010000
310222112012221102
43121333030100
5104112102310
65400443532
71262500550
oct331771420
9128465842
1057144080
112a290214
12171795a8
13baba086
147837160
15503b8a5
hex367f310

57144080 has 40 divisors (see below), whose sum is σ = 151841472. Its totient is φ = 19592064.

The previous prime is 57144049. The next prime is 57144161. The reversal of 57144080 is 8044175.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50462 + ... + 51581.

Almost surely, 257144080 is an apocalyptic number.

It is an amenable number.

57144080 is an abundant number, since it is smaller than the sum of its proper divisors (94697392).

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

57144080 is a wasteful number, since it uses less digits than its factorization.

57144080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102063 (or 102057 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 57144080 is about 7559.3703441490. The cubic root of 57144080 is about 385.1741046469.

The spelling of 57144080 in words is "fifty-seven million, one hundred forty-four thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 102043 204086 408172 510215 714301 816344 1020430 1428602 1632688 2040860 2857204 3571505 4081720 5714408 7143010 8163440 11428816 14286020 28572040 57144080