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4486397 = 5384649
BaseRepresentation
bin10001000111010011111101
322102221011212
4101013103331
52122031042
6240054205
753063606
oct21072375
98387155
104486397
112594773
121604365
13c11096
1484adad
155d9482
hex4474fd

4486397 has 4 divisors (see below), whose sum is σ = 4571100. Its totient is φ = 4401696.

The previous prime is 4486381. The next prime is 4486411. The reversal of 4486397 is 7936844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1907161 + 2579236 = 1381^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 4486397 - 24 = 4486381 is a prime.

It is a super-3 number, since 3×44863973 (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 49 + 411 + 8 + 65 + 39 + 92 + 74 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4486327) 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, 42272 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (1142775).

Almost surely, 24486397 is an apocalyptic number.

It is an amenable number.

4486397 is a deficient number, since it is larger than the sum of its proper divisors (84703).

4486397 is an equidigital number, since it uses as much as digits as its factorization.

4486397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84702.

The product of its digits is 145152, while the sum is 41.

The square root of 4486397 is about 2118.1116590020. Note that the first 3 decimals coincide. The cubic root of 4486397 is about 164.9298385509.

The spelling of 4486397 in words is "four million, four hundred eighty-six thousand, three hundred ninety-seven".

Divisors: 1 53 84649 4486397