Search a number
-
+
411241987 = 1331633999
BaseRepresentation
bin11000100000110…
…000111000000011
31001122211020221201
4120200300320003
51320234220422
6104450202031
713122333142
oct3040607003
91048736851
10411241987
111a1154212
12b5883317
1367279570
143c88d759
1526184727
hex18830e03

411241987 has 4 divisors (see below), whose sum is σ = 442876000. Its totient is φ = 379607976.

The previous prime is 411241967. The next prime is 411241997. The reversal of 411241987 is 789142114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789142114 = 2394571057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-411241987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411241927) 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, 15816987 + ... + 15817012.

It is an arithmetic number, because the mean of its divisors is an integer number (110719000).

Almost surely, 2411241987 is an apocalyptic number.

411241987 is a deficient number, since it is larger than the sum of its proper divisors (31634013).

411241987 is a wasteful number, since it uses less digits than its factorization.

411241987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31634012.

The product of its digits is 16128, while the sum is 37.

The square root of 411241987 is about 20279.1022237179. The cubic root of 411241987 is about 743.6452637677.

The spelling of 411241987 in words is "four hundred eleven million, two hundred forty-one thousand, nine hundred eighty-seven".

Divisors: 1 13 31633999 411241987