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20410293 = 36803431
BaseRepresentation
bin100110111011…
…0111110110101
31102101221122210
41031312332311
520211112133
62005244033
7335325141
oct115667665
942357583
1020410293
1110580612
126a03619
1342c80c7
1429d4221
151bd2763
hex1376fb5

20410293 has 4 divisors (see below), whose sum is σ = 27213728. Its totient is φ = 13606860.

The previous prime is 20410279. The next prime is 20410301. The reversal of 20410293 is 39201402.

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 de Polignac number, because none of the positive numbers 2k-20410293 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 (20410213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401713 + ... + 3401718.

It is an arithmetic number, because the mean of its divisors is an integer number (6803432).

Almost surely, 220410293 is an apocalyptic number.

It is an amenable number.

20410293 is a deficient number, since it is larger than the sum of its proper divisors (6803435).

20410293 is an equidigital number, since it uses as much as digits as its factorization.

20410293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803434.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20410293 is about 4517.7752268124. The cubic root of 20410293 is about 273.2853890063.

Adding to 20410293 its reverse (39201402), we get a palindrome (59611695).

The spelling of 20410293 in words is "twenty million, four hundred ten thousand, two hundred ninety-three".

Divisors: 1 3 6803431 20410293