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4994405 = 51376837
BaseRepresentation
bin10011000011010101100101
3100101202000222
4103003111211
52234310110
6255014125
760310643
oct23032545
910352028
104994405
112901409
12180a345
13105b390
14940193
15689c55
hex4c3565

4994405 has 8 divisors (see below), whose sum is σ = 6454392. Its totient is φ = 3688128.

The previous prime is 4994401. The next prime is 4994411. The reversal of 4994405 is 5044994.

It can be written as a sum of positive squares in 4 ways, for example, as 57121 + 4937284 = 239^2 + 2222^2 .

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 4994405 - 22 = 4994401 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 (4994401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38354 + ... + 38483.

It is an arithmetic number, because the mean of its divisors is an integer number (806799).

Almost surely, 24994405 is an apocalyptic number.

It is an amenable number.

4994405 is a deficient number, since it is larger than the sum of its proper divisors (1459987).

4994405 is a wasteful number, since it uses less digits than its factorization.

4994405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76855.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4994405 is about 2234.8165472808. The cubic root of 4994405 is about 170.9337887593.

The spelling of 4994405 in words is "four million, nine hundred ninety-four thousand, four hundred five".

Divisors: 1 5 13 65 76837 384185 998881 4994405