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20468241 = 33758083
BaseRepresentation
bin100111000010…
…1001000010001
31102111220011000
41032011020101
520214440431
62010412213
7335656113
oct116051021
942456130
1020468241
1110610102
126a31069
1343185b1
142a0b3b3
151be49e6
hex1385211

20468241 has 8 divisors (see below), whose sum is σ = 30323360. Its totient is φ = 13645476.

The previous prime is 20468237. The next prime is 20468281. The reversal of 20468241 is 14286402.

It is not a de Polignac number, because 20468241 - 22 = 20468237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 758083 = 20468241 / (2 + 0 + 4 + 6 + 8 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20468281) 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, 379015 + ... + 379068.

It is an arithmetic number, because the mean of its divisors is an integer number (3790420).

Almost surely, 220468241 is an apocalyptic number.

It is an amenable number.

20468241 is a deficient number, since it is larger than the sum of its proper divisors (9855119).

20468241 is an equidigital number, since it uses as much as digits as its factorization.

20468241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758092 (or 758086 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20468241 is about 4524.1840148252. The cubic root of 20468241 is about 273.5437778829.

The spelling of 20468241 in words is "twenty million, four hundred sixty-eight thousand, two hundred forty-one".

Divisors: 1 3 9 27 758083 2274249 6822747 20468241