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1057459 = 1381343
BaseRepresentation
bin100000010001010110011
31222201120011
410002022303
5232314314
634355351
711662654
oct4021263
91881504
101057459
11662537
1242bb57
132b0420
141d752b
1515d4c4
hex1022b3

1057459 has 4 divisors (see below), whose sum is σ = 1138816. Its totient is φ = 976104.

The previous prime is 1057421. The next prime is 1057477. The reversal of 1057459 is 9547501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057459 is a prime.

It is a super-2 number, since 2×10574592 = 2236439073362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057459.

It is not an unprimeable number, because it can be changed into a prime (1057489) 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, 40659 + ... + 40684.

It is an arithmetic number, because the mean of its divisors is an integer number (284704).

21057459 is an apocalyptic number.

1057459 is a deficient number, since it is larger than the sum of its proper divisors (81357).

1057459 is an equidigital number, since it uses as much as digits as its factorization.

1057459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81356.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1057459 is about 1028.3282549848. The cubic root of 1057459 is about 101.8797442181.

The spelling of 1057459 in words is "one million, fifty-seven thousand, four hundred fifty-nine".

Divisors: 1 13 81343 1057459