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1057075 = 5242283
BaseRepresentation
bin100000010000100110011
31222201000221
410002010303
5232311300
634353511
711661565
oct4020463
91881027
101057075
11662218
1242b897
132b01b6
141d7335
1515d31a
hex102133

1057075 has 6 divisors (see below), whose sum is σ = 1310804. Its totient is φ = 845640.

The previous prime is 1057051. The next prime is 1057087. The reversal of 1057075 is 5707501.

It is not a de Polignac number, because 1057075 - 29 = 1056563 is a prime.

It is a super-2 number, since 2×10570752 = 2234815111250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 42283 = 1057075 / (1 + 0 + 5 + 7 + 0 + 7 + 5).

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 21117 + ... + 21166.

21057075 is an apocalyptic number.

1057075 is a deficient number, since it is larger than the sum of its proper divisors (253729).

1057075 is an equidigital number, since it uses as much as digits as its factorization.

1057075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42293 (or 42288 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 1057075 is about 1028.1415272228. The cubic root of 1057075 is about 101.8674107034.

The spelling of 1057075 in words is "one million, fifty-seven thousand, seventy-five".

Divisors: 1 5 25 42283 211415 1057075