Search a number
-
+
1411881 = 3470627
BaseRepresentation
bin101011000101100101001
32122201201220
411120230221
5330140011
650132253
715000162
oct5305451
92581656
101411881
11884849
12581089
133a5843
1428a769
151cd506
hex158b29

1411881 has 4 divisors (see below), whose sum is σ = 1882512. Its totient is φ = 941252.

The previous prime is 1411873. The next prime is 1411889. The reversal of 1411881 is 1881141.

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 an interprime number because it is at equal distance from previous prime (1411873) and next prime (1411889).

It is a cyclic number.

It is not a de Polignac number, because 1411881 - 23 = 1411873 is a prime.

It is a super-2 number, since 2×14118812 = 3986815916322, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1411889) 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, 235311 + ... + 235316.

It is an arithmetic number, because the mean of its divisors is an integer number (470628).

21411881 is an apocalyptic number.

1411881 is the 752-nd centered pentagonal number.

It is an amenable number.

1411881 is a deficient number, since it is larger than the sum of its proper divisors (470631).

1411881 is an equidigital number, since it uses as much as digits as its factorization.

1411881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470630.

The product of its digits is 256, while the sum is 24.

The square root of 1411881 is about 1188.2259886065. The cubic root of 1411881 is about 112.1844590052.

The spelling of 1411881 in words is "one million, four hundred eleven thousand, eight hundred eighty-one".

Divisors: 1 3 470627 1411881