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1057061 = 1935477
BaseRepresentation
bin100000010000100100101
31222201000102
410002010211
5232311221
634353445
711661545
oct4020445
91881012
101057061
11662205
1242b885
132b01a5
141d7325
1515d30b
hex102125

1057061 has 4 divisors (see below), whose sum is σ = 1062732. Its totient is φ = 1051392.

The previous prime is 1057051. The next prime is 1057087. The reversal of 1057061 is 1607501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 776161 + 280900 = 881^2 + 530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057061 is a prime.

It is a super-2 number, since 2×10570612 = 2234755915442, 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 (1057051) 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, 2546 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (265683).

21057061 is an apocalyptic number.

It is an amenable number.

1057061 is a deficient number, since it is larger than the sum of its proper divisors (5671).

1057061 is an equidigital number, since it uses as much as digits as its factorization.

1057061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1057061 is about 1028.1347187990. The cubic root of 1057061 is about 101.8669609876.

The spelling of 1057061 in words is "one million, fifty-seven thousand, sixty-one".

Divisors: 1 193 5477 1057061