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1052681 = 7150383
BaseRepresentation
bin100000001000000001001
31222111000012
410001000021
5232141211
634321305
711643020
oct4010011
91874005
101052681
11659993
12429235
132ab1b6
141d58b7
1515bd8b
hex101009

1052681 has 4 divisors (see below), whose sum is σ = 1203072. Its totient is φ = 902292.

The previous prime is 1052663. The next prime is 1052693. The reversal of 1052681 is 1862501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1052681 - 214 = 1036297 is a prime.

It is a super-2 number, since 2×10526812 = 2216274575522, 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 (1052281) 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, 75185 + ... + 75198.

It is an arithmetic number, because the mean of its divisors is an integer number (300768).

21052681 is an apocalyptic number.

It is an amenable number.

1052681 is a deficient number, since it is larger than the sum of its proper divisors (150391).

1052681 is an equidigital number, since it uses as much as digits as its factorization.

1052681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150390.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1052681 is about 1026.0024366443. The cubic root of 1052681 is about 101.7260687823.

The spelling of 1052681 in words is "one million, fifty-two thousand, six hundred eighty-one".

Divisors: 1 7 150383 1052681