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20326741 = 103197347
BaseRepresentation
bin100110110001…
…0100101010101
31102020201001021
41031202211111
520200423431
62003401141
7334526431
oct115424525
942221037
1020326741
1110523866
1269831b1
134299076
1429b19c1
151bb7b11
hex1362955

20326741 has 4 divisors (see below), whose sum is σ = 20524192. Its totient is φ = 20129292.

The previous prime is 20326723. The next prime is 20326759. The reversal of 20326741 is 14762302.

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 (20326723) and next prime (20326759).

It is a cyclic number.

It is not a de Polignac number, because 20326741 - 213 = 20318549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326721) 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, 98571 + ... + 98776.

It is an arithmetic number, because the mean of its divisors is an integer number (5131048).

Almost surely, 220326741 is an apocalyptic number.

It is an amenable number.

20326741 is a deficient number, since it is larger than the sum of its proper divisors (197451).

20326741 is a wasteful number, since it uses less digits than its factorization.

20326741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197450.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20326741 is about 4508.5187146113. The cubic root of 20326741 is about 272.9119700789.

The spelling of 20326741 in words is "twenty million, three hundred twenty-six thousand, seven hundred forty-one".

Divisors: 1 103 197347 20326741