Search a number
-
+
9992441 = 11818461
BaseRepresentation
bin100110000111…
…100011111001
3200210200001102
4212013203321
510024224231
6554101145
7150635324
oct46074371
920720042
109992441
115705518
12341a7b5
1320bb2b4
1414817bb
15d25acb
hex9878f9

9992441 has 4 divisors (see below), whose sum is σ = 10002084. Its totient is φ = 9982800.

The previous prime is 9992401. The next prime is 9992449. The reversal of 9992441 is 1442999.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1442999 = 2515749.

It can be written as a sum of positive squares in 2 ways, for example, as 8791225 + 1201216 = 2965^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 9992441 - 222 = 5798137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9992395 and 9992404.

It is not an unprimeable number, because it can be changed into a prime (9992449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (2500521).

Almost surely, 29992441 is an apocalyptic number.

It is an amenable number.

9992441 is a deficient number, since it is larger than the sum of its proper divisors (9643).

9992441 is a wasteful number, since it uses less digits than its factorization.

9992441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642.

The product of its digits is 23328, while the sum is 38.

The square root of 9992441 is about 3161.0822513816. The cubic root of 9992441 is about 215.3891707468.

The spelling of 9992441 in words is "nine million, nine hundred ninety-two thousand, four hundred forty-one".

Divisors: 1 1181 8461 9992441