Base | Representation |
---|---|
bin | 100110101111… |
… | …1010110110111 |
3 | 1102020000220212 |
4 | 1031133112313 |
5 | 20200013102 |
6 | 2003220035 |
7 | 334443053 |
oct | 115372667 |
9 | 42200825 |
10 | 20313527 |
11 | 10514943 |
12 | 697761b |
13 | 4293050 |
14 | 29aac63 |
15 | 1bb3c52 |
hex | 135f5b7 |
20313527 has 8 divisors (see below), whose sum is σ = 23027760. Its totient is φ = 17763840.
The previous prime is 20313511. The next prime is 20313563. The reversal of 20313527 is 72531302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20313527 - 24 = 20313511 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 (20318527) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40874 + ... + 41367.
It is an arithmetic number, because the mean of its divisors is an integer number (2878470).
Almost surely, 220313527 is an apocalyptic number.
20313527 is a deficient number, since it is larger than the sum of its proper divisors (2714233).
20313527 is a wasteful number, since it uses less digits than its factorization.
20313527 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82273.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 20313527 is about 4507.0530283102. The cubic root of 20313527 is about 272.8528190898.
Adding to 20313527 its reverse (72531302), we get a palindrome (92844829).
The spelling of 20313527 in words is "twenty million, three hundred thirteen thousand, five hundred twenty-seven".
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