Base | Representation |
---|---|
bin | 100110100010… |
… | …0001111001001 |
3 | 1102000101112120 |
4 | 1031010033021 |
5 | 20132434231 |
6 | 2001001453 |
7 | 333501150 |
oct | 115041711 |
9 | 42011476 |
10 | 20202441 |
11 | 10449436 |
12 | 6923289 |
13 | 425460c |
14 | 297c597 |
15 | 1b90d96 |
hex | 13443c9 |
20202441 has 32 divisors (see below), whose sum is σ = 32452608. Its totient is φ = 10929600.
The previous prime is 20202439. The next prime is 20202451. The reversal of 20202441 is 14420202.
It is not a de Polignac number, because 20202441 - 21 = 20202439 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20202441.
It is not an unprimeable number, because it can be changed into a prime (20202451) 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 31 ways as a sum of consecutive naturals, for example, 72795 + ... + 73071.
It is an arithmetic number, because the mean of its divisors is an integer number (1014144).
Almost surely, 220202441 is an apocalyptic number.
20202441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20202441 is a deficient number, since it is larger than the sum of its proper divisors (12250167).
20202441 is a wasteful number, since it uses less digits than its factorization.
20202441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 20202441 is about 4494.7125603313. The cubic root of 20202441 is about 272.3545378578.
Adding to 20202441 its reverse (14420202), we get a palindrome (34622643).
The spelling of 20202441 in words is "twenty million, two hundred two thousand, four hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •