Base | Representation |
---|---|
bin | 100110001011… |
… | …0011010000101 |
3 | 1101122212001010 |
4 | 1030112122011 |
5 | 20110432400 |
6 | 1552552433 |
7 | 332056653 |
oct | 114263205 |
9 | 41585033 |
10 | 20014725 |
11 | 103303a5 |
12 | 6852719 |
13 | 41ba043 |
14 | 292ddd3 |
15 | 1b55450 |
hex | 1316685 |
20014725 has 12 divisors (see below), whose sum is σ = 33091136. Its totient is φ = 10674480.
The previous prime is 20014721. The next prime is 20014751. The reversal of 20014725 is 52741002.
It is not a de Polignac number, because 20014725 - 22 = 20014721 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20014721) 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, 133357 + ... + 133506.
Almost surely, 220014725 is an apocalyptic number.
20014725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20014725 is a deficient number, since it is larger than the sum of its proper divisors (13076411).
20014725 is a wasteful number, since it uses less digits than its factorization.
20014725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266876 (or 266871 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 20014725 is about 4473.7819571365. The cubic root of 20014725 is about 271.5083616498.
Adding to 20014725 its reverse (52741002), we get a palindrome (72755727).
The spelling of 20014725 in words is "twenty million, fourteen thousand, seven hundred twenty-five".
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