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2650423 = 12912053
BaseRepresentation
bin1010000111000100110111
311222122200211
422013010313
51134303143
6132450251
731346116
oct12070467
94878624
102650423
111550336
12a79987
1371a4c9
144cdc7d
1537549d
hex287137

2650423 has 4 divisors (see below), whose sum is σ = 2653768. Its totient is φ = 2647080.

The previous prime is 2650409. The next prime is 2650429. The reversal of 2650423 is 3240562.

It is a happy number.

2650423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 2650423 - 213 = 2642231 is a prime.

It is a Duffinian number.

2650423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2650394 and 2650403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (663442).

22650423 is an apocalyptic number.

2650423 is a deficient number, since it is larger than the sum of its proper divisors (3345).

2650423 is a wasteful number, since it uses less digits than its factorization.

2650423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2650423 is about 1628.0119778429. The cubic root of 2650423 is about 138.3901129794.

Adding to 2650423 its reverse (3240562), we get a palindrome (5890985).

The spelling of 2650423 in words is "two million, six hundred fifty thousand, four hundred twenty-three".

Divisors: 1 1291 2053 2650423