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20614323 = 36871441
BaseRepresentation
bin100111010100…
…0110010110011
31102210022112110
41032220302303
520234124243
62013500403
7340135032
oct116506263
942708473
1020614323
11106aa934
126aa1703
134369c32
142a48719
151c22e33
hex13a8cb3

20614323 has 4 divisors (see below), whose sum is σ = 27485768. Its totient is φ = 13742880.

The previous prime is 20614303. The next prime is 20614333. The reversal of 20614323 is 32341602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20614323 - 29 = 20613811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20614323.

It is not an unprimeable number, because it can be changed into a prime (20614303) 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, 3435718 + ... + 3435723.

It is an arithmetic number, because the mean of its divisors is an integer number (6871442).

Almost surely, 220614323 is an apocalyptic number.

20614323 is a deficient number, since it is larger than the sum of its proper divisors (6871445).

20614323 is an equidigital number, since it uses as much as digits as its factorization.

20614323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871444.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20614323 is about 4540.2998799639. The cubic root of 20614323 is about 274.1929972074.

Adding to 20614323 its reverse (32341602), we get a palindrome (52955925).

The spelling of 20614323 in words is "twenty million, six hundred fourteen thousand, three hundred twenty-three".

Divisors: 1 3 6871441 20614323