Base | Representation |
---|---|
bin | 100111010100… |
… | …0111000101010 |
3 | 1102210100001100 |
4 | 1032220320222 |
5 | 20234132243 |
6 | 2013502230 |
7 | 340136106 |
oct | 116507052 |
9 | 42710040 |
10 | 20614698 |
11 | 10700145 |
12 | 6aa1976 |
13 | 436a160 |
14 | 2a48906 |
15 | 1c230d3 |
hex | 13a8e2a |
20614698 has 48 divisors (see below), whose sum is σ = 49421736. Its totient is φ = 6168960.
The previous prime is 20614691. The next prime is 20614709. The reversal of 20614698 is 89641602.
It can be written as a sum of positive squares in 4 ways, for example, as 11269449 + 9345249 = 3357^2 + 3057^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (20614691) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7468 + ... + 9848.
Almost surely, 220614698 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20614698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24710868).
20614698 is an abundant number, since it is smaller than the sum of its proper divisors (28807038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20614698 is a wasteful number, since it uses less digits than its factorization.
20614698 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2439 (or 2436 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 20614698 is about 4540.3411766078. The cubic root of 20614698 is about 274.1946598337.
It can be divided in two parts, 20614 and 698, that added together give a palindrome (21312).
The spelling of 20614698 in words is "twenty million, six hundred fourteen thousand, six hundred ninety-eight".
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