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20341144 = 2310923327
BaseRepresentation
bin100110110011…
…0000110011000
31102021102210201
41031212012120
520201404034
62003551544
7334616425
oct115460630
942242721
1020341144
111053366a
12698b5b4
1342a27a5
1429b6d4c
151bbc014
hex1366198

20341144 has 16 divisors (see below), whose sum is σ = 38491200. Its totient is φ = 10076832.

The previous prime is 20341141. The next prime is 20341147. The reversal of 20341144 is 44114302.

It is an interprime number because it is at equal distance from previous prime (20341141) and next prime (20341147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341141) 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, 10792 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (2405700).

Almost surely, 220341144 is an apocalyptic number.

It is an amenable number.

20341144 is a deficient number, since it is larger than the sum of its proper divisors (18150056).

20341144 is a wasteful number, since it uses less digits than its factorization.

20341144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442 (or 23438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20341144 is about 4510.1157413086. The cubic root of 20341144 is about 272.9764143014.

Adding to 20341144 its reverse (44114302), we get a palindrome (64455446).

The spelling of 20341144 in words is "twenty million, three hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 109 218 436 872 23327 46654 93308 186616 2542643 5085286 10170572 20341144