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1047241 = 1380557
BaseRepresentation
bin11111111101011001001
31222012112201
43333223021
5232002431
634240201
711621116
oct3775311
91865481
101047241
11655898
12426061
132a8890
141d390d
1515a461
hexffac9

1047241 has 4 divisors (see below), whose sum is σ = 1127812. Its totient is φ = 966672.

The previous prime is 1047239. The next prime is 1047247. The reversal of 1047241 is 1427401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 360000 + 687241 = 600^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047241 - 21 = 1047239 is a prime.

It is a Duffinian number.

1047241 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047247) 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, 40266 + ... + 40291.

It is an arithmetic number, because the mean of its divisors is an integer number (281953).

21047241 is an apocalyptic number.

It is an amenable number.

1047241 is a deficient number, since it is larger than the sum of its proper divisors (80571).

1047241 is an equidigital number, since it uses as much as digits as its factorization.

1047241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80570.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1047241 is about 1023.3479369208. The cubic root of 1047241 is about 101.5505341800.

The spelling of 1047241 in words is "one million, forty-seven thousand, two hundred forty-one".

Divisors: 1 13 80557 1047241