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1056207 = 3352069
BaseRepresentation
bin100000001110111001111
31222122211210
410001313033
5232244312
634345503
711656215
oct4016717
91878753
101056207
116615a9
1242b293
132ac999
141d6cb5
1515ce3c
hex101dcf

1056207 has 4 divisors (see below), whose sum is σ = 1408280. Its totient is φ = 704136.

The previous prime is 1056203. The next prime is 1056217. The reversal of 1056207 is 7026501.

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

It is not a de Polignac number, because 1056207 - 22 = 1056203 is a prime.

It is a super-2 number, since 2×10562072 = 2231146453698, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176032 + ... + 176037.

It is an arithmetic number, because the mean of its divisors is an integer number (352070).

21056207 is an apocalyptic number.

1056207 is a deficient number, since it is larger than the sum of its proper divisors (352073).

1056207 is an equidigital number, since it uses as much as digits as its factorization.

1056207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352072.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1056207 is about 1027.7193196588. The cubic root of 1056207 is about 101.8395208106.

The spelling of 1056207 in words is "one million, fifty-six thousand, two hundred seven".

Divisors: 1 3 352069 1056207