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20344092 = 2231695341
BaseRepresentation
bin100110110011…
…0110100011100
31102021120211220
41031212310130
520202002332
62004013340
7334631136
oct115466434
942246756
1020344092
11105358aa
126991250
1342a3c32
1429b8056
151bbcd2c
hex1366d1c

20344092 has 12 divisors (see below), whose sum is σ = 47469576. Its totient is φ = 6781360.

The previous prime is 20344073. The next prime is 20344097. The reversal of 20344092 is 29044302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847659 + ... + 847682.

It is an arithmetic number, because the mean of its divisors is an integer number (3955798).

Almost surely, 220344092 is an apocalyptic number.

It is an amenable number.

20344092 is an abundant number, since it is smaller than the sum of its proper divisors (27125484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20344092 is a wasteful number, since it uses less digits than its factorization.

20344092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695348 (or 1695346 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20344092 is about 4510.4425503491. The cubic root of 20344092 is about 272.9896009671.

Adding to 20344092 its reverse (29044302), we get a palindrome (49388394).

The spelling of 20344092 in words is "twenty million, three hundred forty-four thousand, ninety-two".

Divisors: 1 2 3 4 6 12 1695341 3390682 5086023 6781364 10172046 20344092