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20614123 = 43946957
BaseRepresentation
bin100111010100…
…0101111101011
31102210022021001
41032220233223
520234122443
62013455431
7340134325
oct116505753
942708231
1020614123
11106aa772
126aa1577
134369b0a
142a48615
151c22d4d
hex13a8beb

20614123 has 4 divisors (see below), whose sum is σ = 20661520. Its totient is φ = 20566728.

The previous prime is 20614093. The next prime is 20614127. The reversal of 20614123 is 32141602.

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

It is a cyclic number.

It is not a de Polignac number, because 20614123 - 213 = 20605931 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 20614123.

It is not an unprimeable number, because it can be changed into a prime (20614127) 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, 23040 + ... + 23917.

It is an arithmetic number, because the mean of its divisors is an integer number (5165380).

Almost surely, 220614123 is an apocalyptic number.

20614123 is a deficient number, since it is larger than the sum of its proper divisors (47397).

20614123 is an equidigital number, since it uses as much as digits as its factorization.

20614123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47396.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20614123 is about 4540.2778549336. The cubic root of 20614123 is about 274.1921104651.

Adding to 20614123 its reverse (32141602), we get a palindrome (52755725).

It can be divided in two parts, 2061 and 4123, that multiplied together give a triangular number (8497503 = T4122).

The spelling of 20614123 in words is "twenty million, six hundred fourteen thousand, one hundred twenty-three".

Divisors: 1 439 46957 20614123