Base | Representation |
---|---|
bin | 100111100000… |
… | …1010000011101 |
3 | 1102222101222122 |
4 | 1033001100131 |
5 | 20300331100 |
6 | 2015552325 |
7 | 341033126 |
oct | 117012035 |
9 | 42871878 |
10 | 20714525 |
11 | 10769147 |
12 | 6b2b6a5 |
13 | 43a3720 |
14 | 2a7304d |
15 | 1c42985 |
hex | 13c141d |
20714525 has 12 divisors (see below), whose sum is σ = 27662292. Its totient is φ = 15296640.
The previous prime is 20714521. The next prime is 20714531. The reversal of 20714525 is 52541702.
It can be written as a sum of positive squares in 6 ways, for example, as 8922169 + 11792356 = 2987^2 + 3434^2 .
It is not a de Polignac number, because 20714525 - 22 = 20714521 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20714494 and 20714503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20714521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31544 + ... + 32193.
It is an arithmetic number, because the mean of its divisors is an integer number (2305191).
Almost surely, 220714525 is an apocalyptic number.
20714525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20714525 is a deficient number, since it is larger than the sum of its proper divisors (6947767).
20714525 is a wasteful number, since it uses less digits than its factorization.
20714525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63760 (or 63755 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 20714525 is about 4551.3212367399. The cubic root of 20714525 is about 274.6365446421.
The spelling of 20714525 in words is "twenty million, seven hundred fourteen thousand, five hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •