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1087441 = 10710163
BaseRepresentation
bin100001001011111010001
32001020200121
410021133101
5234244231
635150241
712146245
oct4113721
92036617
101087441
11683013
12445381
132c0c74
14204425
15167311
hex1097d1

1087441 has 4 divisors (see below), whose sum is σ = 1097712. Its totient is φ = 1077172.

The previous prime is 1087433. The next prime is 1087451. The reversal of 1087441 is 1447801.

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 1087441 - 23 = 1087433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087451) 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, 4975 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (274428).

21087441 is an apocalyptic number.

It is an amenable number.

1087441 is a deficient number, since it is larger than the sum of its proper divisors (10271).

1087441 is a wasteful number, since it uses less digits than its factorization.

1087441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1087441 is about 1042.8043920122. The cubic root of 1087441 is about 102.8336460694.

The spelling of 1087441 in words is "one million, eighty-seven thousand, four hundred forty-one".

Divisors: 1 107 10163 1087441