Base | Representation |
---|---|
bin | 100111001001… |
… | …0110101001001 |
3 | 1102121202010112 |
4 | 1032102311021 |
5 | 20223234421 |
6 | 2011524105 |
7 | 336311534 |
oct | 116226511 |
9 | 42552115 |
10 | 20524361 |
11 | 10649290 |
12 | 6a59635 |
13 | 4337cc0 |
14 | 2a23a1b |
15 | 1c0645b |
hex | 1392d49 |
20524361 has 8 divisors (see below), whose sum is σ = 24112704. Its totient is φ = 17223120.
The previous prime is 20524337. The next prime is 20524367. The reversal of 20524361 is 16342502.
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 20524361 - 26 = 20524297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20524367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71621 + ... + 71906.
It is an arithmetic number, because the mean of its divisors is an integer number (3014088).
Almost surely, 220524361 is an apocalyptic number.
It is an amenable number.
20524361 is a deficient number, since it is larger than the sum of its proper divisors (3588343).
20524361 is a wasteful number, since it uses less digits than its factorization.
20524361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143551.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 20524361 is about 4530.3819927242. The cubic root of 20524361 is about 273.7935513093.
Adding to 20524361 its reverse (16342502), we get a palindrome (36866863).
The spelling of 20524361 in words is "twenty million, five hundred twenty-four thousand, three hundred sixty-one".
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