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1057893 = 31720743
BaseRepresentation
bin100000010010001100101
31222202011020
410002101211
5232323033
634401353
711664144
oct4022145
91882136
101057893
116628a1
12430259
132b0695
141d775b
1515d6b3
hex102465

1057893 has 8 divisors (see below), whose sum is σ = 1493568. Its totient is φ = 663744.

The previous prime is 1057883. The next prime is 1057897. The reversal of 1057893 is 3987501.

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

It is not a de Polignac number, because 1057893 - 216 = 992357 is a prime.

It is a super-2 number, since 2×10578932 = 2238275198898, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10321 + ... + 10422.

It is an arithmetic number, because the mean of its divisors is an integer number (186696).

21057893 is an apocalyptic number.

It is an amenable number.

1057893 is a deficient number, since it is larger than the sum of its proper divisors (435675).

1057893 is a wasteful number, since it uses less digits than its factorization.

1057893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20763.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1057893 is about 1028.5392554492. The cubic root of 1057893 is about 101.8936800654.

The spelling of 1057893 in words is "one million, fifty-seven thousand, eight hundred ninety-three".

Divisors: 1 3 17 51 20743 62229 352631 1057893