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20343514 = 213177647
BaseRepresentation
bin100110110011…
…0101011011010
31102021120001111
41031212223122
520201443024
62004010534
7334626352
oct115465332
942246044
1020343514
1110535424
126990a4a
1342a38a9
1429b7b62
151bbca94
hex1366ada

20343514 has 8 divisors (see below), whose sum is σ = 30748608. Its totient is φ = 10093980.

The previous prime is 20343497. The next prime is 20343517. The reversal of 20343514 is 41534302.

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

It is not an unprimeable number, because it can be changed into a prime (20343517) 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, 38562 + ... + 39085.

It is an arithmetic number, because the mean of its divisors is an integer number (3843576).

Almost surely, 220343514 is an apocalyptic number.

20343514 is a deficient number, since it is larger than the sum of its proper divisors (10405094).

20343514 is a wasteful number, since it uses less digits than its factorization.

20343514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77780.

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

The square root of 20343514 is about 4510.3784763587. The cubic root of 20343514 is about 272.9870156222.

Adding to 20343514 its reverse (41534302), we get a palindrome (61877816).

The spelling of 20343514 in words is "twenty million, three hundred forty-three thousand, five hundred fourteen".

Divisors: 1 2 131 262 77647 155294 10171757 20343514