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20321314 = 213781589
BaseRepresentation
bin100110110000…
…1010000100010
31102020102121021
41031201100202
520200240224
62003320054
7334504546
oct115412042
942212537
1020321314
111051a782
12698002a
134296760
1429ada26
151bb61e4
hex1361422

20321314 has 8 divisors (see below), whose sum is σ = 32826780. Its totient is φ = 9379056.

The previous prime is 20321303. The next prime is 20321339. The reversal of 20321314 is 41312302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 2301289 = 4245^2 + 1517^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390769 + ... + 390820.

Almost surely, 220321314 is an apocalyptic number.

20321314 is a deficient number, since it is larger than the sum of its proper divisors (12505466).

20321314 is a wasteful number, since it uses less digits than its factorization.

20321314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781604.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20321314 is about 4507.9168137844. The cubic root of 20321314 is about 272.8876798251.

Adding to 20321314 its reverse (41312302), we get a palindrome (61633616).

The spelling of 20321314 in words is "twenty million, three hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 13 26 781589 1563178 10160657 20321314