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57485645 = 571642447
BaseRepresentation
bin1101101101001…
…0100101001101
311000011120110222
43123102211031
5104204020040
65412041125
71265422430
oct333224515
9130146428
1057485645
112a4a38a8
12173031a5
13bba9699
1478c5817
1550a7bb5
hex36d294d

57485645 has 8 divisors (see below), whose sum is σ = 78837504. Its totient is φ = 39418704.

The previous prime is 57485587. The next prime is 57485657. The reversal of 57485645 is 54658475.

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 57485645 - 210 = 57484621 is a prime.

It is a super-3 number, since 3×574856453 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57485596 and 57485605.

It is a congruent number.

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, 821189 + ... + 821258.

It is an arithmetic number, because the mean of its divisors is an integer number (9854688).

Almost surely, 257485645 is an apocalyptic number.

It is an amenable number.

57485645 is a deficient number, since it is larger than the sum of its proper divisors (21351859).

57485645 is a wasteful number, since it uses less digits than its factorization.

57485645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642459.

The product of its digits is 672000, while the sum is 44.

The square root of 57485645 is about 7581.9288442981. The cubic root of 57485645 is about 385.9400092009.

The spelling of 57485645 in words is "fifty-seven million, four hundred eighty-five thousand, six hundred forty-five".

Divisors: 1 5 7 35 1642447 8212235 11497129 57485645