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2440442413 = 19867122839
BaseRepresentation
bin1001000101110110…
…0011001000101101
320022002010022122001
42101131203020231
514444223124123
61042055052301
7114322263313
oct22135431055
96262108561
102440442413
111042625562
12581371091
132cb7a8986
1419218a0b3
15e43b40ad
hex9176322d

2440442413 has 4 divisors (see below), whose sum is σ = 2440585120. Its totient is φ = 2440299708.

The previous prime is 2440442387. The next prime is 2440442447. The reversal of 2440442413 is 3142440442.

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 a cyclic number.

It is not a de Polignac number, because 2440442413 - 225 = 2406887981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440412413) 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, 41553 + ... + 81286.

It is an arithmetic number, because the mean of its divisors is an integer number (610146280).

Almost surely, 22440442413 is an apocalyptic number.

It is an amenable number.

2440442413 is a deficient number, since it is larger than the sum of its proper divisors (142707).

2440442413 is a wasteful number, since it uses less digits than its factorization.

2440442413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142706.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2440442413 is about 49400.8341326338. The cubic root of 2440442413 is about 1346.3444612430.

Adding to 2440442413 its reverse (3142440442), we get a palindrome (5582882855).

The spelling of 2440442413 in words is "two billion, four hundred forty million, four hundred forty-two thousand, four hundred thirteen".

Divisors: 1 19867 122839 2440442413