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242105411 = 1671449733
BaseRepresentation
bin11100110111000…
…11110001000011
3121212120020012002
432123203301003
5443434333121
640005054215
75666601452
oct1633436103
9555506162
10242105411
11114731419
12690b736b
133b20a252
1424222b99
15163c4e0b
hexe6e3c43

242105411 has 4 divisors (see below), whose sum is σ = 243555312. Its totient is φ = 240655512.

The previous prime is 242105399. The next prime is 242105417. The reversal of 242105411 is 114501242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114501242 = 257250621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242105411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242105417) 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, 724700 + ... + 725033.

It is an arithmetic number, because the mean of its divisors is an integer number (60888828).

Almost surely, 2242105411 is an apocalyptic number.

242105411 is a deficient number, since it is larger than the sum of its proper divisors (1449901).

242105411 is a wasteful number, since it uses less digits than its factorization.

242105411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449900.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 242105411 is about 15559.7368551014. The cubic root of 242105411 is about 623.2584356868.

Adding to 242105411 its reverse (114501242), we get a palindrome (356606653).

The spelling of 242105411 in words is "two hundred forty-two million, one hundred five thousand, four hundred eleven".

Divisors: 1 167 1449733 242105411