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1057943 = 8911887
BaseRepresentation
bin100000010010010010111
31222202020002
410002102113
5232323233
634401515
711664245
oct4022227
91882202
101057943
11662937
1243029b
132b0703
141d7795
1515d6e8
hex102497

1057943 has 4 divisors (see below), whose sum is σ = 1069920. Its totient is φ = 1045968.

The previous prime is 1057919. The next prime is 1057951. The reversal of 1057943 is 3497501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1057943 - 26 = 1057879 is a prime.

It is a super-2 number, since 2×10579432 = 2238486782498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5855 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (267480).

21057943 is an apocalyptic number.

1057943 is a deficient number, since it is larger than the sum of its proper divisors (11977).

1057943 is an equidigital number, since it uses as much as digits as its factorization.

1057943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1057943 is about 1028.5635614779. The cubic root of 1057943 is about 101.8952853328.

The spelling of 1057943 in words is "one million, fifty-seven thousand, nine hundred forty-three".

Divisors: 1 89 11887 1057943