Base | Representation |
---|---|
bin | 100111010100… |
… | …0101110011111 |
3 | 1102210022011020 |
4 | 1032220232133 |
5 | 20234122142 |
6 | 2013455223 |
7 | 340134156 |
oct | 116505637 |
9 | 42708136 |
10 | 20614047 |
11 | 106aa703 |
12 | 6aa1513 |
13 | 4369a7c |
14 | 2a4859d |
15 | 1c22cec |
hex | 13a8b9f |
20614047 has 8 divisors (see below), whose sum is σ = 29102256. Its totient is φ = 12934272.
The previous prime is 20614043. The next prime is 20614051. The reversal of 20614047 is 74041602.
It is an interprime number because it is at equal distance from previous prime (20614043) and next prime (20614051).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20614047 - 22 = 20614043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20614043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202048 + ... + 202149.
It is an arithmetic number, because the mean of its divisors is an integer number (3637782).
Almost surely, 220614047 is an apocalyptic number.
20614047 is a deficient number, since it is larger than the sum of its proper divisors (8488209).
20614047 is a wasteful number, since it uses less digits than its factorization.
20614047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 404217.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 20614047 is about 4540.2694853940. The cubic root of 20614047 is about 274.1917735015.
Adding to 20614047 its reverse (74041602), we get a palindrome (94655649).
The spelling of 20614047 in words is "twenty million, six hundred fourteen thousand, forty-seven".
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