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1095641 = 5472003
BaseRepresentation
bin100001011011111011001
32001122221022
410023133121
5240030031
635252225
712212201
oct4133731
92048838
101095641
11689198
1244a075
132c4911
14207401
1516997b
hex10b7d9

1095641 has 4 divisors (see below), whose sum is σ = 1098192. Its totient is φ = 1093092.

The previous prime is 1095631. The next prime is 1095671. The reversal of 1095641 is 1465901.

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 a de Polignac number, because none of the positive numbers 2k-1095641 is a prime.

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 1095641.

It is not an unprimeable number, because it can be changed into a prime (1095631) 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, 455 + ... + 1548.

It is an arithmetic number, because the mean of its divisors is an integer number (274548).

21095641 is an apocalyptic number.

1095641 is the 560-th centered heptagonal number.

It is an amenable number.

1095641 is a deficient number, since it is larger than the sum of its proper divisors (2551).

1095641 is an equidigital number, since it uses as much as digits as its factorization.

1095641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1095641 is about 1046.7287136598. The cubic root of 1095641 is about 103.0914762169.

The spelling of 1095641 in words is "one million, ninety-five thousand, six hundred forty-one".

Divisors: 1 547 2003 1095641