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57027450 = 2352478089
BaseRepresentation
bin1101100110001…
…0101101111010
310222022021221210
43121202231322
5104044334300
65354143550
71261503534
oct331425572
9128267853
1057027450
112a210627
1217121bb6
13ba78c6c
147806854
155017050
hex3662b7a

57027450 has 48 divisors (see below), whose sum is σ = 144455040. Its totient is φ = 14881920.

The previous prime is 57027409. The next prime is 57027457. The reversal of 57027450 is 5472075.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57027457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3006 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (3009480).

Almost surely, 257027450 is an apocalyptic number.

57027450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57027450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72227520).

57027450 is an abundant number, since it is smaller than the sum of its proper divisors (87427590).

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

57027450 is a wasteful number, since it uses less digits than its factorization.

57027450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151 (or 8146 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 57027450 is about 7551.6521371154. The cubic root of 57027450 is about 384.9118817840.

The spelling of 57027450 in words is "fifty-seven million, twenty-seven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 47 50 75 94 141 150 235 282 470 705 1175 1410 2350 3525 7050 8089 16178 24267 40445 48534 80890 121335 202225 242670 380183 404450 606675 760366 1140549 1213350 1900915 2281098 3801830 5702745 9504575 11405490 19009150 28513725 57027450