Search a number
-
+
2642461 = 4316131
BaseRepresentation
bin1010000101001000011101
311222020202221
422011020131
51134024321
6132345341
731313653
oct12051035
94866687
102642461
111545358
12a75251
137169b3
144cadd3
15372e41
hex28521d

2642461 has 4 divisors (see below), whose sum is σ = 2649024. Its totient is φ = 2635900.

The previous prime is 2642449. The next prime is 2642473. The reversal of 2642461 is 1642462.

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 (2642449) and next prime (2642473).

It is a cyclic number.

It is not a de Polignac number, because 2642461 - 27 = 2642333 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 (2642561) 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, 2635 + ... + 3496.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

22642461 is an apocalyptic number.

It is an amenable number.

2642461 is a deficient number, since it is larger than the sum of its proper divisors (6563).

2642461 is an equidigital number, since it uses as much as digits as its factorization.

2642461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562.

The product of its digits is 2304, while the sum is 25.

The square root of 2642461 is about 1625.5648249147. The cubic root of 2642461 is about 138.2513970998.

Subtracting from 2642461 its reverse (1642462), we obtain a palindrome (999999).

The spelling of 2642461 in words is "two million, six hundred forty-two thousand, four hundred sixty-one".

Divisors: 1 431 6131 2642461