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4185057 = 323131463
BaseRepresentation
bin1111111101101111100001
321212121211010
433331233201
52032410212
6225411133
750400222
oct17755741
97777733
104185057
1123a9328
121499aa9
13b36b86
147ad249
1557a03c
hex3fdbe1

4185057 has 16 divisors (see below), whose sum is σ = 5879808. Its totient is φ = 2642640.

The previous prime is 4185037. The next prime is 4185067. The reversal of 4185057 is 7505814.

It is not a de Polignac number, because 4185057 - 211 = 4183009 is a prime.

4185057 is a lucky number.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4185007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8808 + ... + 9270.

It is an arithmetic number, because the mean of its divisors is an integer number (367488).

Almost surely, 24185057 is an apocalyptic number.

It is an amenable number.

4185057 is a deficient number, since it is larger than the sum of its proper divisors (1694751).

4185057 is a wasteful number, since it uses less digits than its factorization.

4185057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 4185057 is about 2045.7411859764. The cubic root of 4185057 is about 161.1512922724.

The spelling of 4185057 in words is "four million, one hundred eighty-five thousand, fifty-seven".

Divisors: 1 3 23 69 131 393 463 1389 3013 9039 10649 31947 60653 181959 1395019 4185057