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20543314 = 211933787
BaseRepresentation
bin100111001011…
…1011101010010
31102122201010111
41032113131102
520224341224
62012151534
7336421021
oct116273522
942581114
1020543314
1110661550
126a685aa
13434380c
142a2a8b8
151c0bd94
hex1397752

20543314 has 8 divisors (see below), whose sum is σ = 33616368. Its totient is φ = 9337860.

The previous prime is 20543311. The next prime is 20543317. The reversal of 20543314 is 41334502.

It is an interprime number because it is at equal distance from previous prime (20543311) and next prime (20543317).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 933787 = 20543314 / (2 + 0 + 5 + 4 + 3 + 3 + 1 + 4).

It is not an unprimeable number, because it can be changed into a prime (20543311) 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, 466872 + ... + 466915.

It is an arithmetic number, because the mean of its divisors is an integer number (4202046).

Almost surely, 220543314 is an apocalyptic number.

20543314 is a deficient number, since it is larger than the sum of its proper divisors (13073054).

20543314 is a wasteful number, since it uses less digits than its factorization.

20543314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933800.

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

The square root of 20543314 is about 4532.4732762588. The cubic root of 20543314 is about 273.8778026158.

Adding to 20543314 its reverse (41334502), we get a palindrome (61877816).

The spelling of 20543314 in words is "twenty million, five hundred forty-three thousand, three hundred fourteen".

Divisors: 1 2 11 22 933787 1867574 10271657 20543314