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4099481 = 4787223
BaseRepresentation
bin1111101000110110011001
321201021102122
433220312121
52022140411
6223511025
746562561
oct17506631
97637378
104099481
112350001
121458475
13b06c39
14789da1
1555e9db
hex3e8d99

4099481 has 4 divisors (see below), whose sum is σ = 4186752. Its totient is φ = 4012212.

The previous prime is 4099477. The next prime is 4099493. The reversal of 4099481 is 1849904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4099481 - 22 = 4099477 is a prime.

It is a super-2 number, since 2×40994812 = 33611488938722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4099441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43565 + ... + 43658.

It is an arithmetic number, because the mean of its divisors is an integer number (1046688).

Almost surely, 24099481 is an apocalyptic number.

It is an amenable number.

4099481 is a deficient number, since it is larger than the sum of its proper divisors (87271).

4099481 is an equidigital number, since it uses as much as digits as its factorization.

4099481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87270.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4099481 is about 2024.7175111605. The cubic root of 4099481 is about 160.0453126869.

The spelling of 4099481 in words is "four million, ninety-nine thousand, four hundred eighty-one".

Divisors: 1 47 87223 4099481