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1057039 = 1318069
BaseRepresentation
bin100000010000100001111
31222200222121
410002010033
5232311124
634353411
711661514
oct4020417
91880877
101057039
11662195
1242b867
132b0189
141d730b
1515d2e4
hex10210f

1057039 has 4 divisors (see below), whose sum is σ = 1065240. Its totient is φ = 1048840.

The previous prime is 1057037. The next prime is 1057051. The reversal of 1057039 is 9307501.

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 1057039 - 21 = 1057037 is a prime.

It is a super-2 number, since 2×10570392 = 2234662895042, which contains 22 as substring.

It is a Duffinian number.

1057039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057033) 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 3 ways as a sum of consecutive naturals, for example, 3904 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (266310).

21057039 is an apocalyptic number.

1057039 is a deficient number, since it is larger than the sum of its proper divisors (8201).

1057039 is an equidigital number, since it uses as much as digits as its factorization.

1057039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1057039 is about 1028.1240197564. The cubic root of 1057039 is about 101.8662542833.

It can be divided in two parts, 10570 and 39, that added together give a square (10609 = 1032).

The spelling of 1057039 in words is "one million, fifty-seven thousand, thirty-nine".

Divisors: 1 131 8069 1057039