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4469681 is a prime number
BaseRepresentation
bin10001000011001110110001
322102002020202
4101003032301
52121012211
6235444545
752664066
oct21031661
98362222
104469681
112583157
1215b6755
13c065a8
14844c6d
155d453b
hex4433b1

4469681 has 2 divisors, whose sum is σ = 4469682. Its totient is φ = 4469680.

The previous prime is 4469677. The next prime is 4469719. The reversal of 4469681 is 1869644.

It is an a-pointer prime, because the next prime (4469719) can be obtained adding 4469681 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 80656 = 2095^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 4469681 - 22 = 4469677 is a prime.

It is a super-2 number, since 2×44696812 = 39956096483522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4469651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2234840 + 2234841.

It is an arithmetic number, because the mean of its divisors is an integer number (2234841).

Almost surely, 24469681 is an apocalyptic number.

It is an amenable number.

4469681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4469681 is an equidigital number, since it uses as much as digits as its factorization.

4469681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 4469681 is about 2114.1620089293. The cubic root of 4469681 is about 164.7247446210.

The spelling of 4469681 in words is "four million, four hundred sixty-nine thousand, six hundred eighty-one".