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57450545 = 568316823
BaseRepresentation
bin1101101100101…
…0000000110001
311000002210022222
43123022000301
5104201404140
65411210425
71265215205
oct333120061
9130083288
1057450545
112a47a499
12172a6a15
13bb96709
1478b6b05
15509c5b5
hex36ca031

57450545 has 8 divisors (see below), whose sum is σ = 69045696. Its totient is φ = 45890416.

The previous prime is 57450541. The next prime is 57450559. The reversal of 57450545 is 54505475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57450545 - 22 = 57450541 is a prime.

It is a super-3 number, since 3×574505453 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57450541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4997 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (8630712).

Almost surely, 257450545 is an apocalyptic number.

It is an amenable number.

57450545 is a deficient number, since it is larger than the sum of its proper divisors (11595151).

57450545 is a wasteful number, since it uses less digits than its factorization.

57450545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 57450545 is about 7579.6137764401. The cubic root of 57450545 is about 385.8614431962.

The spelling of 57450545 in words is "fifty-seven million, four hundred fifty thousand, five hundred forty-five".

Divisors: 1 5 683 3415 16823 84115 11490109 57450545